1. 猜疑的；警觉的；有戒心的
If you are leery of something, you are cautious and suspicious about it and try to avoid it.

2. 不怀好意的；色迷迷的
If someone looks or smiles at you in a leery way, they look or smile at you in an unpleasant way, usually because they are sexually interested in you.

1. openly distrustful and unwilling to confide

Synonym: mistrustfulsuspiciousuntrustingwary