treacherously is a form of:

Treacherous



adjective
1.
(Guilty of or involving treachery, traitorous, treasonable, perfidious, faithless, friendless, insecure, unsafe, apt to fail at need, dangerous) treacherous act ដែលក្បត់ treacherous adversary ដែលវៀចវេរ, ដែលលាក់ពុត, ដែលប្រកបដោយគ្រោះថ្នាក់
2.
(បច្ចេកទេស) ដែលក្បត់, ដែលបង្កគ្រោះថ្នាក់
ENGLISH MEANING
adjective
1.
Like a traitor; involving treachery; violating allegiance or faith pledged; traitorous to the state or sovereign; perfidious in private life; betraying a trust; faithless.