infectious

[ in-fek-shuhs ]

/ ɪnˈfɛk ʃəs /

SEE SYNONYMS FOR infectious ON THESAURUS.COM

adjective

communicable by infection, as from one person to another or from one part of the body to another: infectious diseases.

causing or communicating infection.

tending to spread from one to another: infectious laughter.

Law. capable of contaminating with illegality; exposing to seizure or forfeiture.

Obsolete. diseased.

Origin of infectious

First recorded in 1535–45; infect(ion) + -ious

SYNONYMS FOR infectious

1 catching.

SEE SYNONYMS FOR infectious ON THESAURUS.COM

synonym study for infectious

1. See contagious.

OTHER WORDS FROM infectious

in·fec·tious·ly, adverbin·fec·tious·ness, nounnon·in·fec·tious, adjectivenon·in·fec·tious·ly, adverb

non·in·fec·tious·ness, nounun·in·fec·tious, adjectiveun·in·fec·tious·ly, adverbun·in·fec·tious·ness, noun

WORDS THAT MAY BE CONFUSED WITH infectious

contagious, infectious (see synonym study at contagious)

Words nearby infectious

infected abortion, infectee, infection, infection-exhaustion psychosis, infection immunity, infectious, infectious anemia of horses, infectious bovine rhinotracheitis, infectious canine hepatitis, infectious disease, infectious diseases

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for infectious

For most infectious, the amount is 100 or even 1,000 times that.
A Doctor Explains Why Cruise Ships Should Be Banned|Kent Sepkowitz|November 19, 2014|DAILY BEAST
The only existing study, printed in the Journal of Infectious Diseases in 1999, leaves scientists with the same questions.
Blood Is Ebola’s Weapon and Weakness|Abby Haglage|October 26, 2014|DAILY BEAST
Adam Lausing, an infectious disease researcher at the University of Michigan, emphasized that Ebola is not a respiratory disease.
Fact-Checking the Sunday Shows: October 19|PunditFact.com|October 19, 2014|DAILY BEAST
Any time there is a new outbreak of infectious disease, it can be alarming.
What You Need to Know About Enterovirus|Russell Saunders|October 3, 2014|DAILY BEAST

Strict isolation of patients; good clinical care; and rapid, culturally sensitive disposal of infectious cadavers.
1976 Vs. Today: Ebola’s Terrifying Evolution|Abby Haglage|September 10, 2014|DAILY BEAST
It was a rippling, silvery laugh, expressing an infectious appreciation of the humor of their situation.
The Girl and The Bill|Bannister Merwin
He had been seized with a very dangerous fever caught by attending old Edwards in one of an infectious kind.
The World's Greatest Books, Vol VI.|Various
However that may be, their author is an expert in his subject, and writes with a vigour that is very bracing and infectious.
Punch, or the London Charivari, Vol. 152, March 7, 1917.|Various
And when it shall be found it is infectious, yet it is very needful to use humanity towards such as are seized.
A History of Epidemics in Britain (Volume I of II)|Charles Creighton
His obvious, unaffected enjoyment of his own oratory should be infectious; but isn't.
Punch, or the London Charivari, Vol. 108, May 18th, 1895|Various

British Dictionary definitions for infectious

infectious

/ (ɪnˈfɛkʃəs) /

adjective

(of a disease) capable of being transmittedCompare contagious

(of a disease) caused by microorganisms, such as bacteria, viruses, or protozoa

causing or transmitting infection

tending or apt to spread, as from one person to anotherinfectious mirth

international law

tainting or capable of tainting with illegality
rendering liable to seizure or forfeiture

Derived forms of infectious

infectiously, adverbinfectiousness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for infectious

infectious

[ ĭn-fĕk′shəs ]

adj.

Capable of causing infection.

Caused by or capable of being transmitted by infection.

Caused by a pathogenic microorganism or agent.

Other words from infectious

in•fec′tious•ness n.

Scientific definitions for infectious

infectious

[ ĭn-fĕk′shəs ]

Capable of causing infection. See Note at contagious.

单词	infectious
释义	infectious [ in-fek-shuhs ] / ɪnˈfɛk ʃəs / SEE SYNONYMS FOR infectious ON THESAURUS.COM adjective communicable by infection, as from one person to another or from one part of the body to another: infectious diseases. causing or communicating infection. tending to spread from one to another: infectious laughter. Law. capable of contaminating with illegality; exposing to seizure or forfeiture. Obsolete. diseased. Origin of infectious First recorded in 1535–45; infect(ion) + -ious SYNONYMS FOR infectious 1 catching. SEE SYNONYMS FOR infectious ON THESAURUS.COM synonym study for infectious 1. See contagious. OTHER WORDS FROM infectious in·fec·tious·ly, adverbin·fec·tious·ness, nounnon·in·fec·tious, adjectivenon·in·fec·tious·ly, adverb non·in·fec·tious·ness, nounun·in·fec·tious, adjectiveun·in·fec·tious·ly, adverbun·in·fec·tious·ness, noun WORDS THAT MAY BE CONFUSED WITH infectious contagious, infectious (see synonym study at contagious) Words nearby infectious infected abortion, infectee, infection, infection-exhaustion psychosis, infection immunity, infectious, infectious anemia of horses, infectious bovine rhinotracheitis, infectious canine hepatitis, infectious disease, infectious diseases Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for infectious For most infectious, the amount is 100 or even 1,000 times that. A Doctor Explains Why Cruise Ships Should Be Banned\|Kent Sepkowitz\|November 19, 2014\|DAILY BEAST The only existing study, printed in the Journal of Infectious Diseases in 1999, leaves scientists with the same questions. Blood Is Ebola’s Weapon and Weakness\|Abby Haglage\|October 26, 2014\|DAILY BEAST Adam Lausing, an infectious disease researcher at the University of Michigan, emphasized that Ebola is not a respiratory disease. Fact-Checking the Sunday Shows: October 19\|PunditFact.com\|October 19, 2014\|DAILY BEAST Any time there is a new outbreak of infectious disease, it can be alarming. What You Need to Know About Enterovirus\|Russell Saunders\|October 3, 2014\|DAILY BEAST Strict isolation of patients; good clinical care; and rapid, culturally sensitive disposal of infectious cadavers. 1976 Vs. Today: Ebola’s Terrifying Evolution\|Abby Haglage\|September 10, 2014\|DAILY BEAST It was a rippling, silvery laugh, expressing an infectious appreciation of the humor of their situation. The Girl and The Bill\|Bannister Merwin He had been seized with a very dangerous fever caught by attending old Edwards in one of an infectious kind. The World's Greatest Books, Vol VI.\|Various However that may be, their author is an expert in his subject, and writes with a vigour that is very bracing and infectious. Punch, or the London Charivari, Vol. 152, March 7, 1917.\|Various And when it shall be found it is infectious, yet it is very needful to use humanity towards such as are seized. A History of Epidemics in Britain (Volume I of II)\|Charles Creighton His obvious, unaffected enjoyment of his own oratory should be infectious; but isn't. Punch, or the London Charivari, Vol. 108, May 18th, 1895\|Various British Dictionary definitions for infectious infectious / (ɪnˈfɛkʃəs) / adjective (of a disease) capable of being transmittedCompare contagious (of a disease) caused by microorganisms, such as bacteria, viruses, or protozoa causing or transmitting infection tending or apt to spread, as from one person to anotherinfectious mirth international law tainting or capable of tainting with illegality rendering liable to seizure or forfeiture Derived forms of infectious infectiously, adverbinfectiousness, noun Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Content related to infectious “Contagious” vs. “Infectious”: The Difference Can Be ImportantThe words "contagious" and "infectious" are often used interchangeably, but knowing the difference between them can, in some cases, be life-saving. READ MORE Words related to infectious toxic, contagious, virulent, communicable, corrupting, diseased, epidemic, mephitic, noxious, pestilent, transferable, pestilential, contaminating, defiling, infective, miasmic, poisoning, polluting, transmittable, vitiating Medical definitions for infectious infectious [ ĭn-fĕk′shəs ] adj. Capable of causing infection. Caused by or capable of being transmitted by infection. Caused by a pathogenic microorganism or agent. Other words from infectious in•fec′tious•ness n. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for infectious infectious [ ĭn-fĕk′shəs ] Capable of causing infection. See Note at contagious. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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infectious

adjective

Origin of infectious

SYNONYMS FOR infectious

synonym study for infectious

OTHER WORDS FROM infectious

WORDS THAT MAY BE CONFUSED WITH infectious

Words nearby infectious

Example sentences from the Web for infectious

British Dictionary definitions for infectious

adjective

Derived forms of infectious

Content related to infectious

Words related to infectious

Medical definitions for infectious

adj.

Other words from infectious

Scientific definitions for infectious