1) Awkward 2) Cautious 3) Disinclined 4) Distrustful 5) Doubtful 6) Faltering 7) Halting 8) Having cold feet 9) Hesitating 10) Indecisive 11) Insecure 12) Irresolute 13) Lacking decisiveness 14) Not certain 15) Reluctant to act 16) Reluctant to commit 17) Sceptical 18) Stumbling 19) Suspicious 20) Tentative 1) Doubtful 2) Faltering 3) Groping 4) Gun shy 5) Hesitating 6) Incertain 7) Indecisive 8) Irresolute 9) Leery 10) Loath 11) Nervous 12) Reluctant 13) Shy 14) Trepid 15) Uncertain 16) Undecided 17) Unsure 18) Unwilling 
• (a.) Not prompt in deciding or acting; hesitating. • (a.) Unready in speech.
Hes'i·tant adjective [ Latin haesitans , present participle of haesitare : confer French hésitant . See Hesitate .] 1. Not prompt in deciding or acting; hesitating. 2. Unready in speech. Baxter. 
Type: Term Pronunciation: hez′ĭ-tant Definitions: 1. Term used to descibe the state of RNA polymerase when it is susceptible to pause, arrest, or termination signals.
[adj] - lacking decisiveness of character
hesitant, hesitance, hesitancy, hesitantly Reluctant to do or say something because of indecision or lack of confidence.
hesitating adjective lacking decisiveness of character; unable to act or decide quickly or firmly