untrustworthy Antonyms

faithful sincere reliable trustworthy true unfailing truthful trusty true-hearted sure steady steadfast staunch stable sound unimpeachable upright virtuous worthy of trust as good as one's word as clean as a hound's tooth ensured as straight as a die creditworthy tried and true on the level honourable clean as a hound's tooth congregant above board truehearted serialize seaworthy responsible durable double-dyed devoted dependable decent credible copper-bottomed constant conscientious certain authentic ascribable amine ethical accurate fiducial