On one's guard; cautious, suspicious, etc.
Suspicious or distrustful; wary:
Feeling or showing doubt.
Lacking trust or confidence
Having or causing mistrust, suspicions, or forebodings.
Find another word for untrusting. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for untrusting, like: wary, suspicious, leery, distrustful, doubting, mistrustful and trust.