suspicious
/səˈspɪʃ.əs/
Proposed by a contributor, not yet supported by evidence.
Sense 1
Meaning · English
Arousing suspicion.
Adjective
Examples
His suspicious behaviour brought him to the attention of the police.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
Distrustful or tending to suspect.
Adjective
Examples
We know he has a suspicious attitude to get-rich-quick schemes.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “suspicious” mean?
Arousing suspicion.
Is “suspicious” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.