Leery (adjective)

1. Suspicious or distrustful.
2. Cautious or wary.

Origin:

1770-80, from leer (v.) + -y.

Examples:

1. She was leery of the stranger's offer to help.
2. He was leery of the new investment opportunity.
3. The investors were leery of the company's financial stability.
4. The police were leery of the suspect's alibi.
5. She was leery of giving out her personal information online.