/ Dictionary / Index I infect: Meaning and Definition of Find definitions for: in•fect Pronunciation: (in-fekt'), [key] — v.t. to affect or contaminate (a person, organ, wound, etc.) with disease-producing germs. to affect with disease. to taint or contaminate with something that affects quality, character, or condition unfavorably: to infect the air with poison gas. to corrupt or affect morally: The news of the gold strike infected him with greed. to imbue with some pernicious belief, opinion, etc. to affect with a computer virus. to affect so as to influence feeling or action: His courage infected the others. to taint with illegality, or expose to penalty, forfeiture, etc. —v.i. to become infected. —adj. infected. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: infect (Thesaurus) infeasible infectee Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language