certifycer‧ti‧fy /ˈsɜːtɪfaɪ $ ˈsɜːr-/ verb (past tense and past participle certified, present participle certifying, third person singular certifies) [transitive] 
The accounts were certified by an auditor.certify (that) We need to certify that the repairs have been satisfactorily carried out.certify somebody dead British English (=when a doctor says officially that a person is dead) The driver was certified dead at the scene.2to give an official paper to someone which states that they have completed a course of training for a professioncertify somebody as something She was certified as a teacher in 1990.3to officially state that someone is mentally ill
WORD ORIGINcertify
Origin:
1300-1400 French certifier, from Late Latin certificare, from Latin certus; ➔ CERTAIN1VERB TABLE
certify
| Simple Form | ||
| Present | I, you, we, they | certify |
| he, she, it | certifies | |
| Past | I, you, he, she, it, we, they | certified |
| Present perfect | I, you, we, they | have certified |
| he, she, it | has certified | |
| Past perfect | I, you, he, she, it, we, they | had certified |
| Future | I, you, he, she, it, we, they | will certify |
| Future perfect | I, you, he, she, it, we, they | will have certified |
| Continuous Form | ||
| Present | I | am certifying |
| he, she, it | is certifying | |
| you, we, they | are certifying | |
| Past | I, he, she, it | was certifying |
| you, we, they | were certifying | |
| Present perfect | I, you, we, they | have been certifying |
| he, she, it | has been certifying | |
| Past perfect | I, you, he, she, it, we, they | had been certifying |
| Future | I, you, he, she, it, we, they | will be certifying |
| Future perfect | I, you, he, she, it, we, they | will have been certifying |
EXAMPLES FROM OTHER DICTIONARIES
- Doctors have certified that the suspect was in a lot of pain at the time of the incident.
- Nancy was certified as a teacher in 1990.
- Sellers should submit documents certifying the value of the artwork.
- The aircraft must be certified to meet government safety standards.
- The doctor certified me unfit to go to work for the next month.
- Architects, engineers and other construction professionals certify amounts due from the owner to the contractor under construction contracts.
- Both were certified by the Supreme Court.
- Jim Mitchell is still getting the full respect due a certified San Francisco character.
- Payments are made to the exporter by the bank on presentation of documents certifying compliance with the original contract.
- She paid a certified repair shop $ 90 for a diagnostic test and had $ 550 of additional work.
- Then we have to certify that this whole thing will perform.
- Thompson Brothers Farms grows certified seed potatoes, wheat, barley and pinto beans.
- While in Kurunagala Ellis also established a cattle voucher system whereby headmen had to certify all sales of cattle.
Longman Language Activatorto say that something is definitely true
to say that something is true, even though it has not been proved and people may not believe it: claim (that): · Martin claimed that he was with friends at the time of his wife's murder.· She claimed she was fired from her job for being pregnant.claim to be something: · She claims to be a descendent of Charles Dickens.claim to have done something: · Doctors claim to have discovered a cure for the disease.claim responsibility/credit etc: · No one has yet claimed responsibility for planting the bomb.
to repeatedly say that something is true, especially when other people do not believe you: maintain (that): · My mother always maintains that I learned to talk at six months.· The authors of "Superdiet' maintain you can lose pounds without eating less.
to state very firmly that something is true: assert (that): · Professor Sykes has asserted that the skeleton, which was said to be man's first ancestor, is in fact a fake.· After 1947, Nehru began to assert his supremacy and sack party chiefs who opposed him.· If women are to have equal opportunity, they must loudly assert their ability to do all traditional "male' jobs.
if you confirm something that other people have already said is true, you say publicly that it is definitely true: · Mr Eastwood refused to confirm or deny the rumour.confirm (that): · Police have confirmed that they are questioning a woman about the disappearance of baby Kelly Truman.
to make a formal statement of what is true, especially in a court of law: · Police had to guard him in hospital until he was well enough to testify.testify that: · I'm prepared to testify in court that I was in Carolyn's apartment that night.testify against somebody (=say something intended to prove someone is guilty): · The witness who had testified against him withdrew her allegation.
informal to say very firmly that what you have said is the truth: swear (that): · It was a mistake -- she swears that she didn't mean to do it.· The plane flew so low that Geoff swears he saw one wing touch the top of a tree.swear blind (that) (=used for emphasizing that someone is telling the truth): · She swears blind that she never met the man.
if someone such as a doctor or another professional person certifies something, they officially say that it is true: certify (that): · Doctors have certified that the suspect was in a lot of pain at the time of the incident.certify somebody fit/dead/insane etc: · The doctor certified me unfit to go to work for the next month.
to say and repeat that something is true, especially when a lot of people think that it might not be true: insist (that): · Though there are no other witnesses, she insists she saw a man in the yard that night.· UFO spotters will always insist that their data is correct.
to firmly and repeatedly state that you have not done something wrong: protest (that): · Marge protested that she had never had any kind of affair with Lawrence.protest your innocence (=say repeatedly that you did not commit a crime): · Throughout the trial Reilly protested his innocence.
to say that you have not done something bad that people say you have done: · Bowlam denied all charges of selling drugs to children.deny (that): · The singer denies that he copied the tune from an old Beatles song.deny doing something: · Did he actually deny meeting Jenny that night? flatly/categorically deny (=deny very strongly): · The foreman had not informed us that the paraffin might explode. In fact he had categorically denied there was any danger.
WORD SETSabscess, nounache, verbache, nounacne, nounagoraphobia, nounagoraphobic, nounague, noun-aholic, suffixAIDS, nounailment, nounairsick, adjectivealbino, nounalcoholic, nounalcoholism, nounallergic, adjectiveallergy, nounamnesia, nounamputee, nounanaemia, nounanaemic, adjectiveangina, nounanorexia, nounanorexic, adjectiveantacid, nounanthrax, nounantibody, nounantidepressant, nounantidote, nounantigen, nounantihistamine, nounanti-inflammatory, adjectiveantitoxin, nounapoplectic, adjectiveapoplexy, nounappendicitis, nounarteriosclerosis, nounarthritis, nounaseptic, adjectiveaspirin, nounasthma, nounastigmatism, nounasymptomatic, adjectiveathlete's foot, nounatrophy, verbauto-immune disease, nounAyurvedic medicine, nounbaby blues, nounbacillus, nounbackache, nounbark, verbbattle fatigue, nounBCG, nounbedridden, adjectivebedsore, nounbed-wetting, nounbellyache, nounbenign, adjectiveberiberi, nounbespectacled, adjectivebetter, adjectivebilious, adjectivebinge, verbbiopsy, nounbirthmark, nounbite, verbbite, nounblack and blue, adjectiveBlack Death, the, black eye, nounblackout, nounbleed, verbbleeding, nounblind, verbblister, nounblister, verbblood bank, nounblood donor, nounblood poisoning, nounbloodshot, adjectiveblood transfusion, nounbloody, adjectivebloody, verbblue baby, nounboil, nounbotulism, nounbrain damage, nounbreakdown, nounbronchitis, nounbruise, nounbruise, verbBSE, nounbubonic plague, nounbug, nounbulimia, nounbump, nounbunion, nounbuzz, verbcalloused, adjectivecallus, nouncancer, nouncandida, nouncanker, nouncarbuncle, nouncarcinogen, nouncarcinogenic, adjectivecarcinoma, nouncardiac, adjectivecardiovascular, adjectivecaries, nouncarpal tunnel syndrome, nouncarrier, nouncarry, verbcarsick, adjectivecast, nouncasualty, nouncataract, nouncatarrh, nouncatatonic, adjectivecatching, adjectivecauliflower ear, nouncerebral palsy, nouncertify, verbcervical smear, nounchapped, adjectivecharley horse, nounchemotherapy, nounchesty, adjectivechicken pox, nounchilblains, nounChinese medicine, nouncholera, nounchronic, adjectivecirrhosis, nounCJD, nouncleanse, verbcleft palate, nounclinic, nounclinical, adjectiveclub foot, nouncold, nouncold sore, nouncolic, nouncolitis, nouncollapse, verbcolour-blind, adjectivecoma, nouncommon cold, nouncommon denominator, nouncommunicate, verbcomplaint, nouncomplicate, verbcomplication, nouncompound fracture, nounconcuss, verbconcussion, nouncondition, nouncongenital, adjectivecongested, adjectiveconjunctivitis, nounconstipation, nounconsumption, nounconsumptive, nouncontagion, nouncontagious, adjectivecontinent, adjectivecontract, verbcontusion, nounconvalesce, verbconvulsion, nouncorn, nouncortisone, nouncot death, nouncough, nounCPR, nouncrack-up, nouncramp, nounCreutzfeldt-Jakob disease, nouncrick, nouncrick, verbcripple, nouncripple, verbcross-eyed, adjectivecroup, nouncurable, adjectivecut, nouncyst, nouncystic fibrosis, nouncystitis, noundecompression sickness, noundeep vein thrombosis, noundeformity, noundegenerative, adjectivedehydrate, verbdelirious, adjectivedelirium, noundelusion, noundementia, noundengue fever, noundepression, noundermatitis, noundiabetes, noundiabetic, adjectivediabetic, noundiagnosis, noundialysis, noundiaper rash, noundiarrhoea, noundiphtheria, noundisability, noundisable, verbdisabled, adjectivedischarge, verbdisease, noundisgorge, verbdislocate, verbdisorder, noundissipated, adjectivedissipation, noundistemper, noundistend, verbdizzy, adjectivedoddering, adjectivedoddery, adjectivedonate, verbdonor, noundouble vision, noundoughy, adjectivedown, adverbDown's syndrome, noundrawn, adjectivedressing, noundrinker, noundrunk, adjectivedrunk, noundrunken, adjectivedull, adjectivedumb, adjectiveDVT, noundysentery, noundyslexia, noundyspepsia, noundyspeptic, adjectiveearache, nouneating disorder, nounEbola, nounectopic pregnancy, nouneczema, nounemaciated, adjectiveemasculate, verbembolism, nounemphysema, nounencephalitis, nounendoscope, nounenervate, verbenteritis, nounepidemic, nounepilepsy, nounepileptic, adjectiveepileptic, nounetiology, nounexcruciating, adjectiveexposure, nouneyeless, adjectiveeye strain, nounfail, verbfaint, nounfester, verbfever, nounfever blister, nounfevered, adjectivefeverish, adjectivefirst aid, nounfit, nounflat feet, nounflat-footed, adjectiveflu, nounfood poisoning, nounfoot and mouth disease, nounfracture, verbfracture, nounfrostbite, noungall, noungammy, adjectiveganglion, noungangrene, noungas, noungash, noungastric, adjectivegastritis, noungastroenteritis, nounGerman measles, nounget, verbgingivitis, nounglandular fever, nounglaucoma, noungnarled, adjectivegonorrhea, noungout, noungrand mal, noungraze, verbgraze, noungriping, adjectivegroggy, adjectivegrowing pains, noungrowth, noungush, verbgynaecology, nounhacking cough, nounhaemophilia, nounhaemophiliac, nounhaemorrhage, nounhaemorrhage, verbhaemorrhoids, nounhalitosis, nounhandicap, nounhandicapped, adjectivehangover, nounhard of hearing, adjectiveharelip, nounhay fever, nounheadache, nounhealth, nounheart attack, nounheartburn, nounheart disease, nounheart failure, nounheat exhaustion, nounheat rash, nounheatstroke, nounheave, verbhepatitis, nounhernia, nounherpes, nounHIV, nounhormone replacement therapy, nounhospital, nounhospitalize, verbhot flush, nounhousebound, adjectiveHRT, nounhump, nounhumpback, nounhunchback, nounhungover, adjectivehydrophobia, nounhypertension, nounhypothermia, nounhysterectomy, nounhysteria, nounhysterical, adjectiveillness, nounimmune, adjectiveimmune system, nounimmunity, nounimmunize, verbimmunology, nounimpacted, adjectiveimpediment, nounimpetigo, nounimpotent, adjectiveincision, nounincontinent, adjectiveincubate, verbincurable, adjectiveindigestion, nounindisposed, adjectiveindisposition, nouninfantile, adjectiveinfantile paralysis, nouninfect, verbinfected, adjectiveinfection, nouninfectious, adjectiveinfirmity, nouninflammation, nouninflammatory, adjectiveinfluenza, nouninfusion, nouningrowing, adjectiveinoculate, verbinoperable, adjectiveinsane, adjectiveinsanity, nouninsomnia, nouninsomniac, nouninstability, nounintensive care, nounintravenous, adjectiveinvalid, nouninvalidity, nouninvasive, adjectiveirregular, adjectiveirritable bowel syndrome, nounirritant, nounirritate, verbirritated, adjectiveirritation, noun-ism, suffixisolation, nounjaundice, nounjaundiced, adjectivejet lag, nounknock-kneed, adjectiveknotted, adjectivelaceration, nounlaryngitis, nounlegionnaire's disease, nounleper, nounleprosy, nounlesion, nounleukemia, nounlisp, nounlisteria, nounliverish, adjectivelockjaw, nounlong-sighted, adjectiveloose, adjectivelozenge, nounlumbago, nounlunacy, nounLyme disease, nounmad cow disease, nounmalady, nounmalaise, nounmalaria, nounmalformation, nounmalignancy, nounmalignant, adjectivemalnourished, adjectivemalnutrition, nounmange, nounmangy, adjectivemania, nounmanic, adjectivemanic depression, nounmastitis, nounME, nounmeasles, nounmedicinal, adjectivemegalomania, nounmegalomaniac, nounmelancholia, nounmelancholic, adjectivemelanoma, nounmend, verbmeningitis, nounmentally handicapped, adjectivemigraine, nounmild, adjectivemiscarriage, nounmole, nounmongol, nounmono, nounmononucleosis, nounmorbid, adjectivemorning sickness, nounmoron, nounmotion sickness, nounmotor neurone disease, nounMRI, nounMRSA, nounMS, nounmultiple sclerosis, nounmumps, nounmurmur, nounmusclebound, adjectivemuscular dystrophy, nounmute, adjectivemute, nounmyopia, nounmyopic, adjectivemyxomatosis, nounnarcolepsy, nounnausea, nounnauseate, verbnauseous, adjectivenearsighted, adjectivenervous breakdown, nounnettle rash, nounneuralgia, nounneurosis, nounneurotic, adjectivenosebleed, nounnotifiable, adjectiveNSU, nounobesity, nounoff-colour, adjectiveoperate, verboperation, nounophthalmic, adjectiveophthalmology, noun-osis, suffixosteoarthritis, nounosteopathy, nounosteoporosis, nounoutpatient, nounoverbite, nounpacemaker, nounpaediatrics, nounpale, adjectivepallid, adjectivepallor, nounpalpitate, verbpalpitations, nounpalsy, nounpandemic, nounparalyse, verbparalysed, adjectiveparalysis, nounparalytic, adjectiveparalytic, nounparanoia, nounparaplegia, nounparaplegic, nounparasitic, adjectiveParkinson's disease, nounparoxysm, nounpasty, adjectivepasty-faced, adjectivepathogen, nounpathological, adjectivepathology, nounpeaked, adjectivepeaky, adjectivepellagra, nounpeptic ulcer, nounperforated, adjectiveperiod pain, nounperitonitis, nounpernicious anaemia, nounpersecution complex, nounpestilence, nounpestilential, adjectivepetit mal, nounpharyngitis, nounphlebitis, nounphlegm, noun-phobic, suffixphysiotherapy, nounpigeon-toed, adjectivepins and needles, nounplacebo, nounplague, nounplaque, nounplaster cast, nounpleurisy, nounPMS, nounPMT, nounpneumonia, nounpockmark, nounpockmarked, adjectivepoisoning, nounpolio, nounpolyp, nounpoor, adjectivepost-traumatic stress disorder, nounpremenstrual tension, nounprescribe, verbprescription, nounpreventive medicine, nounprickle, verbprickly heat, nounprognosis, nounprolapse, nounprophylactic, adjectiveprophylactic, nounprophylaxis, nounpsoriasis, nounpsychopath, nounpsychosis, nounpsychosomatic, adjectivepsychotic, adjectivepuffy, adjectivepull, verbpurulent, adjectivepus, nounpustule, nounqueasy, adjectiverabid, adjectiverabies, nounradiation sickness, nounradiography, nounrash, nounraw, adjectivereact, verbreaction, nounreceive, verbrecuperate, verbrecuperative, adjectiveregurgitate, verbrelapse, verbremission, nounrepetitive strain injury, nounresistance, nounrespond, verbretch, verbRhesus factor, nounrheumatic, adjectiverheumatic fever, nounrheumatism, nounrheumatoid arthritis, nounrickets, nounringworm, nounRSI, nounrubella, nounrun-down, adjectiverunny, adjectiverupture, nounsaddle-sore, adjectivesalmonella, nounscab, nounscabby, adjectivescabies, nounscald, verbscald, nounscaly, adjectivescar, nounscar, verbscarlet fever, nounschizophrenia, nounsciatica, nounsclerosis, nounscrape, verbscrape, nounscratch, nounscurvy, nounseasick, adjectiveseizure, nounself-examination, nounsenile, adjectivesenile dementia, nounsenseless, adjectivesepsis, nounseptic, adjectivesepticaemia, nounserum, nounset, verbsexually transmitted disease, nounshell shock, nounshell-shocked, adjectiveshingles, nounshock, nounshort-sighted, adjectivesickle-cell anaemia, nounsickly, adjectivesickness, nounside effect, nounsightless, adjectivesimple fracture, nounsleeping sickness, nounslipped disc, nounsmallpox, nounsnakebite, nounsnow blindness, nounsore, adjectivesore, nounspastic, adjectivespecial needs, nounspecimen, nounspina bifida, nounsprain, verbsputum, nounsquint, verbsquint, nounstammer, nounstarvation, nounstarve, verbSTD, nounstomachache, nounstone, nounstrain, nounstrain, verbstrangulated, adjectivestrep throat, nounstroke, nounsty, nounsuccumb, verbsufferer, nounsunstroke, nounsuperbug, nounsurgical, adjectiveswelling, nounswollen, adjectivesymptom, nounsymptomatic, adjectivesyndrome, nounsyphilis, nounTB, nountear, verbtetanus, nountherapeutic, adjectivetherapy, nounthrombosis, nounthrush, nountic, nountight, adjectivetingle, verbtinnitus, nountipsy, adjectivetonsillitis, nountoothache, nountorment, nountourniquet, nountoxaemia, nountoxic shock syndrome, nountraction, nountransfusion, nountrauma, nountravel sickness, nountreatment, nountremor, nountuberculosis, nountumour, nountunnel vision, nountwinge, nountwitch, nountyphoid, nountyphus, nounulcer, nounulcerate, verbultrasound, noununderweight, adjectiveundressed, adjectiveunhealthy, adjectiveuntreated, adjectivevaccinate, verbvaccine, nounvaricose veins, nounVD, nounvenereal disease, nounverruca, nounvertigo, nounviral, adjectivevirology, nounvirulent, adjectivevomit, verbvomit, nounwart, nounweak, adjectiveweal, nounweep, verbwheeze, verbwheeze, nounwheezy, adjectivewhiplash, nounwhooping cough, nounwind, nounwithered, adjectivewound, nounwrench, verbwriter's cramp, nounyaws, nounyeast infection, nounyellow fever, noun
COLLOCATIONS FROM THE ENTRY
1to state that something is correct or true, especially after some kind of test: British English (=when a doctor says officially that a person is dead) The driver was certified dead at the scene.
COLLOCATIONS FROM OTHER ENTRIES The driver was certified dead at the scene. British English (=one a court does or does not allow to start a business again)
COLLOCATIONS FROM THE CORPUSNOUN· He is a certified public accountant and a certified valuation analyst.· He served as a captain in the Air Force, and is a certified public accountant.
The accounts were certified by an auditor.certify (that) We need to certify that the repairs have been satisfactorily carried out.certify somebody dead British English (=when a doctor says officially that a person is dead) The driver was certified dead at the scene.2to give an official paper to someone which states that they have completed a course of training for a professioncertify somebody as something She was certified as a teacher in 1990.3to officially state that someone is mentally ill