suspicious.

1. Inclined to doubt someone's motives, honesty, or reliability.

2. Giving reason to question whether something is honest, normal, or safe.

Use it for

Words that belong together

• suspicious glance
• suspicious of motives

On the page

She remained suspicious of the unexplained generosity.

Usage notes

Primary category: psychology / human behavior. Forms: Comparative more suspicious; superlative most suspicious when comparison is meaningful. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: character, behavior. Commonness: moderately common.