1.
If you are ~ of something, you are cautious and suspicious about it and try to avoid it. (INFORMAL)
Executives say they are ~ of the proposed system...
They were ~ about investing in a company controlled by a single individual.
= wary
ADJ: usu v-link ADJ, oft ADJ of/about n
2.
If someone looks or smiles at you in a ~ way, they look or smile at you in an unpleasant way, usually because they are sexually interested in you.
...a ~ grin.
ADJ disapproval