Antonyms of adj infective

2 senses of infective

Sense 1
infective, morbific, pathogenic -- (able to cause disease; "infective agents"; "pathogenic bacteria")

INDIRECT (VIA unhealthful) -> healthful -- (conducive to good health of body or mind; "a healthful climate"; "a healthful environment"; "healthful nutrition"; "healthful sleep"; "Dickens's relatively healthful exuberance")

Sense 2
infectious, infective -- (caused by infection or capable of causing infection; "viruses and other infective agents"; "a carrier remains infective without himself showing signs of the disease")

INDIRECT (VIA septic) -> antiseptic -- (thoroughly clean and free of or destructive to disease-causing organisms; "doctors in antiseptic green coats"; "the antiseptic effect of alcohol"; "it is said that marjoram has antiseptic qualities")

Similarity of adj infective

2 senses of infective

Sense 1
infective, morbific, pathogenic -- (able to cause disease; "infective agents"; "pathogenic bacteria")
       => unhealthful (vs. healthful) -- (detrimental to good health; "unhealthful air pollution"; "unhealthful conditions in old apartments with peeling lead-based paint")

Sense 2
infectious, infective -- (caused by infection or capable of causing infection; "viruses and other infective agents"; "a carrier remains infective without himself showing signs of the disease")
       => septic (vs. antiseptic), infected -- (containing or resulting from disease-causing organisms; "a septic sore throat"; "a septic environment"; "septic sewage")