Antonyms of adj contractable

1 sense of contractable

Sense 1
catching, communicable, contagious, contractable, transmissible, transmittable -- ((of disease) capable of being transmitted by infection)

INDIRECT (VIA infectious) -> noninfectious -- (not infectious)

Similarity of adj contractable

1 sense of contractable

Sense 1
catching, communicable, contagious, contractable, transmissible, transmittable -- ((of disease) capable of being transmitted by infection)
       => infectious (vs. noninfectious) -- (easily spread; "fear is exceedingly infectious; children catch it from their elders"- Bertrand Russell)