The meaning of SUSPICIOUS is tending to arouse suspicion : questionable. How to use suspicious in a sentence.

His colleagues became suspicious (= thought that there was something wrong) when he did not appear at work, since he was always punctual. They are deeply / highly (= very) suspicious of one another/ …

1. tending to cause or excite suspicion; questionable: suspicious behavior. 2. inclined to suspect, esp. inclined to suspect evil; distrustful. 3. full of or feeling suspicion. 4. expressing or indicating suspicion: …

If you are suspicious of someone or something, you do not trust them, and are careful when dealing with them.

sus•pi•cious (sə spish′ əs), adj. tending to cause or excite suspicion; questionable: suspicious behavior. inclined to suspect, esp. inclined to suspect evil; distrustful: a suspicious tyrant. full of or feeling …

Jan 22, 2026 · Adjective suspicious (comparative more suspicious, superlative most suspicious) Arousing suspicion. Synonym: questionable His suspicious behaviour brought him to the attention of …

What does suspicious mean? To be suspicious is to have a suspicion about someone or something, especially to have a feeling of distrust about the person or thing.

Definition of suspicious adjective from the Oxford Advanced Learner's Dictionary. suspicious (of/about somebody/something) feeling that somebody has done something wrong, illegal or dishonest, …

Definitions of suspicious adjective openly distrustful and unwilling to confide synonyms: leery, mistrustful, untrusting, wary

Suspicious refers to eliciting or indicative of suspicion, often characterized by doubt, skepticism, or mistrust. It can relate to a person, action, or circumstance that seems unusual, questionable, …