| treacherously | in a treacherous manner, traitorously, disloyally, insidiously | en | en |
| treacherously | in a disloyal and faithless manner; "he behaved treacherously"; "his wife played him false" | en | en |
| treacherous | traitorous, disloyal, unfaithful; dangerous, perilous, hazardous | en | (sıfat) | en |
| treacherous | Like a traitor; involving treachery; violating allegiance or faith pledged; traitorous to the state or sovereign; perfidious in private life; betraying a trust; faithless | en | en |
| treacherous | dangerously unstable and unpredictable; "treacherous winding roads"; "an unreliable trestle | en | en |
| treacherous | disapproval If you describe someone as treacherous, you mean that they are likely to betray you and cannot be trusted. He publicly left the party and denounced its treacherous leaders | en | en |
| treacherous | If you say that something is treacherous, you mean that it is very dangerous and unpredictable. The current of the river is fast flowing and treacherous | en | en |
| treacherous | dangerously unstable and unpredictable; "treacherous winding roads"; "an unreliable trestle" | en | en |
| treacherous | tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans; "Punic faith"; "the perfidious Judas"; "the fiercest and most treacherous of foes"; "treacherous intrigues" | en | en |