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Showing results for infectious. Search instead for Noninfectious.
Definitions

infectious

[in-fek-shuhs] / ɪnˈfɛk ʃəs /
ADJECTIVE
catching, spreading
Synonyms
STRONGEST
contagious toxic virulent
WEAK
communicable contaminating corrupting defiling diseased epidemic infective mephitic miasmic noxious pestilent pestilential poisoning polluting transferable transmittable vitiating
Antonyms
STRONGEST
harmless nonpoisonous
WEAK
antiseptic germless non-infectious uncommunicable uncontagious

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.