innocuous
UK /ɪˈnɒkjuəs/ · US /ɪˈnɑkjuəs/ adjective
- adjective Harmless; producing no ill effect.
- adjective Inoffensive; unprovocative; unexceptionable.
Synonyms
innoxious nonpoisonous nontoxic undamaging unharmful harmless uncontroversial anodyne unobjectionable innocent
Antonyms
nocuous noxious harmful poisonous toxic damaging deleterious detrimental hurtful inimical injurious mischievous
Etymology
From Latin innocuus (“harmless”) (therefore, no gemination in + nocuous).
Webster’s 1913
Etymology [L. innocuus; in- not + nocuus hurtful, fr. nocere to hurt. See Innocent.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “innocuous”, CC BY-SA 4.0. Details