Suspicious — synonyms, definition

1. suspicious (a)

agnostic anxious apprehensive cagey careful cautious curious cynical distrustful doubting dubious freethinking funny furtive grudging heedful incredulous indecisive invidious jealous • • •

2. suspicious (Adjective)

fishy leery untrusting

suspicious (Adjective) — Openly distrustful and unwilling to confide. ex. "He was suspicious of how the difficult situation would work out"

suspicious (Adjective) — Not as expected. ex. "suspicious behaviour"