Dendril
    Dendril Roots
      infidelity
      Roots
      inin- · Latin · notfides-fid · Latin · faith, trust
      Synonyms for infidelity
      unfaithfulnessnadulterynfaithlessnessndisloyaltyncheatingntreacherynperfidyncuckoldryninconstancynapostasyn
      Words related to infidelity
      adulterousadjunfaithfuladjextramaritaladjunchastitynphilanderingvbetrayalnfornicationnunfaithfullyadvcuckoldingnadultererndishonestyncheatinglyadvmaritaladjmonandrynadulterineadjmaritallyadvremarriagendeuterogamyadjspousaladjdigamyadjfaithlessadjpostmaritalpromiscuitynmonogynynmonogamynpremaritaladjimmoralityntreacherousnessnimprobitynbigamyn

      Synonyms & related words for infidelity

      Find synonyms, related words, and the definition of infidelity — including unfaithfulness, adultery, faithlessness, disloyalty, cheating, treachery. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

      Words related to infidelity

      Explore words related to infidelity — words associated with it, words that go with it, and its nearest matches in meaning. Related words include adulterous, unfaithful, extramarital, unchastity, philandering, betrayal, fornication, unfaithfully. Click any word to make it the center of the map and keep exploring the web of connections.

      Synonyms for infidelity

      Common synonyms for infidelity include unfaithfulness, adultery, faithlessness, disloyalty, cheating, treachery, perfidy, cuckoldry — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

      Where does infidelity come from?

      The word infidelity breaks down into 2 roots of Latin origin: in-, from Latin in (“not”); and -fid, from Latin fides (“faith, trust”). Explore each root to see other English words built from the same source.

      © 2026 Dendril · Credits Explore roots