not safe; perilous (of a criminal conviction) based on inadequate or false evidence
WordReference Random House Learner's Dictionary of American English © 2026
un•safe /ʌnˈseɪf/USA pronunciation
adj. threatened by danger:felt unsafe walking at night.
un•safe•ly, adv.
WordReference Random House Unabridged Dictionary of American English © 2026- not safe;
dangerous:an unsafe nuclear reactor.
Collins Concise English Dictionary © HarperCollins Publishers::
'unsafe' also found in these entries (note: many are not synonyms or translations):