tim·id 
(tĭmĭd)
(tĭmĭd)adj. tim·id·er, tim·id·est
1. Lacking self-confidence; shy.
2. Fearful and hesitant: problems that call for bold, not timid, responses.
[Latin timidus, from timēre, to fear.]
ti·midi·ty, timid·ness n.
timid·ly adv.