can't be trusted
- unreliableNot consistently performing
- suspiciousInclined to distrust
- deceitfulInclined to mislead others
- shadyDisreputable or sun-blocked
- sketchyIncomplete or suspicious
liar · betrayal · backstabber · snake · two-faced · dishonest · shifty · slippery · crooked · sneaky · untrustworthy · con artist · fraud · cheater · wolf · manipulative · false · treacherous
trustworthiness
can't be trustedtrustworthy
Worthy of confidence
reliable · dependable · faithful · loyal · steadfast
credibility
can't be trustedcredible
Worthy of acceptance
believable · honest · truthful · reliable source · straight shooter
moral character
can't be trustedhonorable
Having high moral standards
upstanding · virtuous · principled · ethical · honest