Hesitant is a term used to describe someone who is UNCERTAIN or unwilling to act. UNPREDICTABLE (13 letters) is an adjective used to describe something that is difficult to predict or foresee. DOUBTFUL (8 letters) is an adjective used to describe something that is UNCERTAIN or unlikely. RELUCTANT (9 letters) is an adjective used to describe someone who is unwilling to do something. DOUBTING (8 letters) is an adjective used to describe someone who is suspicious or distrustful. DISINCLINED (11 letters) is an adjective used to describe someone who is unwilling or RELUCTANT to do something. UNCERTAIN (9 letters) is an adjective used to describe something that is not known or definite. LEERY (5 letters) is an adjective used to describe someone who is suspicious or distrustful. LOATH (5 letters) is an adjective used to describe someone who is unwilling or RELUCTANT to do something. TIMID (5 letters) is an adjective used to describe someone who is shy or fearful. Gunshy (6 letters) is an adjective used to describe someone who is afraid of guns or other weapons. TREPID (6 letters) is an adjective used to describe someone who is fearful or TIMID. UNSURE (6 letters) is an adjective used to describe someone who is UNCERTAIN or DOUBTFUL. TENTATIVE (9 letters) is an adjective used to describe something that is done in a cautious or provisional way. IRRESOLUTE (10 letters) is an adjective used to describe someone who is indecisive or UNCERTAIN.