'Infective' definitions:

Definition of 'infective'

From: WordNet
adjective
Able to cause disease; "infective agents"; "pathogenic bacteria" [syn: infective, morbific, pathogenic]
adjective
Caused by infection or capable of causing infection; "viruses and other infective agents"; "a carrier remains infective without himself showing signs of the disease" [syn: infectious, infective]

Definition of 'Infective'

From: GCIDE
  • Infective \In*fect"ive\, a. [L. infectivus pertaining to dyeing.] Infectious. --Beau. & Fl. [1913 Webster]
  • True love . . . hath an infective power. --Sir P. Sidney. [1913 Webster]