From Longman Dictionary of Contemporary Englishunwaryun‧wa‧ry /ʌnˈweəri $ -ˈweri/ adjective formal 1 NOT KNOWnot knowing about possible problems or dangers, and therefore easily harmed or deceived unwary travellers2 → the unwary
Examples from the Corpus
unwary• In truth the government of Danzig had become a labyrinth sown with pits for the unwary.• For a moment Obispal was unwary and he knows it.• Such conditions led to areas of swamp which were a natural trap for unwary animals which ventured to the river to drink.• His idiosyncratic usage is at once fascinating for analysis and a warning against making unwary generalisations about lyric poetry.• The unwary movement caused her foot to slip on the footpath made muddy by the overnight rain.• It looks almost like a cluster, and I have known unwary observers to confuse it with the Pleiades.• Many unwary people were summarily dismissed for what they had said. 