mistrustful
adjective /ˌmɪsˈtrʌstfl/
/ˌmɪsˈtrʌstfl/
- having no confidence in somebody/something because you think they may be harmful; not trusting somebody/something
- mistrustful (of somebody/something) Some people are very mistrustful of computers.
- Since the accident he has become withdrawn and mistrustful.