suspicious
adjective
1. openly distrustful and unwilling to confide
Similar word(s): distrustful, leery, mistrustful, untrusting, wary
2. strange or unusual; inspiring doubt.
- suspicious behavior
Similar word(s): questionable, fishy, funny, shady, suspect
Sentences with suspicious as an adjective:
- His suspicious behaviour brought him to the attention of the police.
- I have a suspicious attitude to get-rich-quick schemes.
- She gave me a suspicious look.