Part of speech:
Not ready or prepared.
Not alert to danger, problems, or deception.
(Nautical) Said of a ship, when the wind, suddenly changing, forces the sails aft against the mast.
Without guile or cunning; open
Not noticing; paying no heed; thoughtless; inattentive.
Not suspicious; trusting.
Find another word for unprepared. In this page you can discover 29 synonyms, antonyms, idiomatic expressions, and related words for unprepared, like: unready, unwarned, unwary, surprised, taken-aback, unguarded, unnotified, unadvised, unaware, unsuspecting and taken off guard.