American English

Definition of traitorous adjective from the Oxford Advanced American Dictionary

 

traitorous

 adjective
adjective
NAmE//ˈtreɪt̮ərəs//
 
(formal)
 
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giving away secrets about your friends, your country, etc. traitorous behavior a traitorous thought
traitorously
 
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adverb
See the Oxford Advanced Learner's Dictionary entry: traitorous