1 : tending to arouse suspicion : questionable suspicious characters. 2 : disposed to suspect : distrustful suspicious of strangers. 3 : expressing or indicative of suspicion a suspicious glance.

What does it mean when people are suspicious?

To be suspicious is to have a suspicion about someone or something, especially to have a feeling of distrust about the person or thing. ... Sometimes, though, it's used to describe a person who's suspicious in general—meaning that they're generally skeptical or distrustful.

Is suspiciousness a real word?

Suspiciousness is a quality of distrust or disbelief. ... Sometimes this quality of being suspicious makes sense (like your suspiciousness when your new classmate claims to be British royalty).