unfaithful
1 ENTRIES FOUND:
Britannica Dictionary definition of UNFAITHFUL
1
:
having a sexual relationship with someone who is not your wife, husband, or partner
— often + to
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an unfaithful husband
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She has been unfaithful to him over the years. [=she has had sex with other people]
2
:
not accurate
— often + to
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an unfaithful translation
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The movie was unfaithful to the book. [=the movie did not tell the story the way it was written in the book]
