adjective

suspicious

suspicious, distrustful, wary, dubious

The dog is suspicious of strangers.

The dog is suspicious of strangers.

He reported a suspicious package to the police.

He reported a suspicious package to the police.

Her behavior was very suspicious.

Her behaviour was very suspicious.

((suspicious of sb./sth.)) feeling distrust towards someone/something The cat is suspicious of the new dog.

((It is suspicious that...)) used to say that a situation seems questionable It is suspicious that he left right after.

Synonyms: doubtful, wary, questionable; Antonyms: trusting, innocent

From 'suspicion' plus the adjective-forming suffix '-ous', meaning 'full of'. So, literally 'full of suspicion'.

Remember the two-way meaning: you can BE suspicious (you feel it), or something can LOOK suspicious (it causes the feeling).

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