Synonyms of unsafe in English:

unsafe


See definition of unsafe

adjective

1‘the building was becoming unsafe’

SYNONYMS
dangerous, risky, perilous, hazardous, precarious, life-threatening, high-risk, treacherous, insecure, unsound, vulnerable, exposed, defenceless
destructive, harmful, injurious, malignant, toxic
threatening, menacing
informal hairy, chancy
British informal dodgy
ANTONYMS

safe, harmless, secure

2‘the verdict was unsafe’

SYNONYMS
unreliable, insecure, unsound, questionable, open to question, doubtful, open to doubt, dubious, uncertain, suspect, shaky, flimsy, weak, unconvincing, unsupported, unsubstantiated, fallible
informal iffy, dodgy, dicey
ANTONYMS

safe, reliable