adjective Date: 15th century not faithful:, not adhering to vows, allegiance, or duty ; disloyal , not faithful to marriage vows , inaccurate , untrustworthy , ~ly adverb ~ness noun
UNFAITHFUL
Meaning of UNFAITHFUL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012