Treacherous Synonyms
Words/phrases that have a similar definition to the word "treacherous" include...double-crossing, unsound, risky, underhanded, two-faced, dangerous, unfaithful, unstable, unsafe, perilous, perfidious, shifty, shaky, false, untrustworthy, precarious, disloyal, deceitful, hazardous
Other words in thesaurus...