adj
traitorous
TRAY-tuh-ruhs
adj
1
Disloyal; guilty of or resembling betrayal.
"His traitorous act cost him the trust of his closest friends."
2
Amounting to treason.
"The soldiers were accused of traitorous conduct for aiding the enemy."
How to Use Traitorous
Learner’s notesIn plain EnglishBehaving like a traitor; disloyal to the point of betrayal.
Common pairings
traitorous act
traitorous behaviour
Word Forms
more traitorous comparative, most traitorous superlative
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Etymology
From Old French traitros, related to traïtor ("traitor").