invalid1 adjectiveinvalid2 nouninvalid3 verb
invalidin‧val‧id1 /ɪnˈvælɪd/ ●○○ adjective 
WORD ORIGINinvalid1
Origin:
1500-1600 Latin invalidus, from validus; ➔ VALIDEXAMPLES FROM OTHER DICTIONARIES
- Ackerman said the argument was invalid.
- Do not detach the coupon or your ticket will be invalid.
- I'm afraid your ticket is invalid on this route.
- This passport is invalid. Look at the expiry date.
- As it turns out, the fears that govern such organizations derive in large part from invalid or negative core beliefs.
- But the vote has been declared invalid because fewer than half the parents took part in the ballot.
- For this reason, you can readily identify them as valid or invalid.
- In one attack his invalid car was stolen and smashed.
- Mrs H described the knock at the door that woke her and her invalid husband at seven o'clock.
- The survey attempted to answer critics who have dismissed international comparisons as invalid because of differences in cultural expectations about health care.
- When I was a child, there was a man who came to our chapel in an invalid chair.
- When the council sought to evict him for non-payment of the extra rent he pleaded in defence that the resolution was invalid.
Longman Language Activatordocuments, tickets etc that can no longer be used
a ticket, passport etc that is invalid cannot legally be used and it will not be officially accepted: · I'm afraid your ticket is invalid on this route.· This passport is invalid. Look at the expiry date.
a ticket, passport etc that is out of date cannot be used because the time during which it could be used has passed: · Are you aware that your passport is out of date?days/months/years out of date: · He tried to get on the train using a pass that was months out of date.
a document such as a contract that is null and void has no legal force and cannot be used for any purpose - used in legal contexts: · If the contract has not been signed by witnesses, it is considered null and void.
COLLOCATIONS FROM OTHER ENTRIES
The war was declared illegal by the International Court of Justice.
The war was declared illegal by the International Court of Justice.WORD FAMILYnounvalidity ≠ invalidityadjectivevalid ≠ invalidverbvalidate ≠ invalidate
1a contract, ticket, claim etc that is invalid is not legally or officially acceptable OPP valid: Without the right date stamped on it, your ticket will be invalid.2an argument, reason etc that is invalid is not based on true facts or clear ideas, and lacks good judgment OPP valid3if something you type into a computer is invalid, the computer does not recognize or accept it: Filename in invalid format.invalid1 adjectiveinvalid2 nouninvalid3 verb
invalidin‧va‧lid2 /ˈɪnvəliːd, -lɪd $ -lɪd/ noun [countable] WORD ORIGINinvalid2
Origin:
1600-1700 French invalide, from Latin invalidus; ➔ INVALID1EXAMPLES FROM OTHER DICTIONARIES
- Barbara decided to move her invalid mother to Mississippi, so that she could look after her herself.
- My father's an invalid, and needs constant care.
- Crippled by an inmate, he faces the rest of his life as an invalid.
- His elder brother Edwin was next in succession to the baronetcy, but he was a total invalid.
- I pictured nocturnal gamblers crouching over their cards, sleepless lovers writing letters, nurses sitting by the beds of invalids.
Longman Language Activatorsomeone who is ill
someone who is ill and is being looked after by a doctor, nurse etc: · St Dominic's Hospital treats about 10,000 patients a year.cancer/leukemia/AIDS etc patients: · He gave a half million pound donation towards the care of AIDs patients.patients with cancer/aids/leukemia etc: · Clinical trials show that some patients with breast cancer do better if they take the drug for five years after surgery.
someone who has a particular illness or who often has a particular illness: · Lupus is a disease of the immune system and nine out of ten sufferers are women.hay fever/asthma/cancer etc sufferer: · The health centre runs a support group for Parkinson's disease sufferers.· Summer can be a nightmare for hay fever sufferers.sufferer from hay fever/asthma/cancer etc: · Many sufferers from depression struggle on for years before seeking help.
someone who is permanently ill and needs to be looked after, especially if they have to stay in bed: · My father's an invalid, and needs constant care.somebody's invalid wife/son etc: · Barbara decided to move her invalid mother to Mississippi, so that she could look after her herself.
people who are ill and need to be helped or treated: · At that time there were no state benefits for the old and the sick.· terrible wartime photographs of the sick and the dying
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 OTHER ENTRIES The war was declared illegal by the International Court of Justice.
someone who cannot look after themselves because of illness, old age, or injury: The war was declared illegal by the International Court of Justice. I resented being treated as an invalid.—invalid adjective [only before noun]invalid1 adjectiveinvalid2 nouninvalid3 verb
invalidin‧va‧lid3 verb COLLOCATIONS FROM OTHER ENTRIES The war was declared illegal by the International Court of Justice.
be invalided out (also be invalided home) phrasal verb British English to have to leave the army, navy etc because you are ill or injured The war was declared illegal by the International Court of Justice.