In·fect, v. t. [imp. & p. p. Infected; p. pr. & vb. n. Infecting.]
 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.
 2. To affect with infectious disease; to communicate infection to; as, infected with the plague.
    Them that were left alive being infected with this disease.   --Sir T. North.
 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.
    Infected Ston's daughters with like heat.   --Milton.
 4. Law To contaminate with illegality or to expose to penalty.
 Syn: -- To poison; vitiate; pollute; defile.

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