TRAITOROUS
Meaning of TRAITOROUS in English
trai ‧ tor ‧ ous /ˈtreɪt ə rəs/ BrE AmE adjective especially literary
not loyal to your country, friends, or beliefs
—traitorously adverb
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012