'Infect' definitions:

Definition of 'infect'

From: WordNet
verb
Communicate a disease to; "Your children have infected you with this head cold"
verb
Contaminate with a disease or microorganism [syn: infect, taint] [ant: disinfect]
verb
Corrupt with ideas or an ideology; "society was infected by racism"
verb
Affect in a contagious way; "His laughter infects everyone who is in the same room"

Definition of 'Infect'

From: GCIDE
  • Infect \In*fect"\, a. [L. infectus: cf. F. infect. See Infect, v. t.] Infected. Cf. Enfect. [Obs.] --Shak. [1913 Webster]

Definition of 'Infect'

From: GCIDE
  • Infect \In*fect"\, v. t. [imp. & p. p. Infected; p. pr. & vb. n. Infecting.] [L. infectus, p. p. of inficere to put or dip into, to stain, infect; pref. in- in + facere to make; cf. F. infecter. See Fact.] [1913 Webster]
  • 1. To taint with morbid matter or any pestilential or noxious substance or effluvium by which disease is produced; as, to infect a lancet; to infect an apartment. [1913 Webster]
  • 2. To affect with infectious disease; to communicate infection to; as, infected with the plague. [1913 Webster]
  • Them that were left alive being infected with this disease. --Sir T. North. [1913 Webster]
  • 3. To communicate to or affect with, as qualities or emotions, esp. bad qualities; to corrupt; to contaminate; to taint by the communication of anything noxious or pernicious. --Cowper. [1913 Webster]
  • Infected Ston's daughters with like heat. --Milton. [1913 Webster]
  • 4. (Law) To contaminate with illegality or to expose to penalty.
  • Syn: To poison; vitiate; pollute; defile. [1913 Webster]