shy

adv.

[1]	fight shy of , avoid , be unwilling/reluctant/averse/loath/loth/disinclined/not disposed , be wary/cautious/watchful

adj.

[1]	diffident , coy , bashful , retiring , withdrawn , withdrawing , reserved , timid , meek , modest , sheepish , unconfident , self-conscious , introverted , nervous , apprehensive , timorous , (Rare) verecund
[2]	timorous , cautious , wary , chary , leery , guarded , afraid , fearful , frightened , anxious , worried , suspicious , distrustful , cowardly , craven , uncourageous
[3]	missing , lacking , deficient in , short of
[4]	diffident , timid , unsure