unfaithful
WordReference English Thesaurus © 2025
Sense: Not faithful
Synonyms:
false Collocations, untrue, deceitful Collocations, unreliable Collocations, traitorous, perfidious, not true to, treacherous Collocations, untrustworthy
Antonyms:
true Collocations, reliable Collocations, trustworthy Collocations, staunch, steadfast Collocations, dependable Collocations, genuine Collocations, trusted Collocations, tested
Sense: Having broken the marriage vow
Synonyms:
adulterous, philandering
Antonyms:
faithful Collocations, constant Collocations, loyal Collocations, dutiful, committed Collocations, devoted Collocations