Synonyms for swear Found 20 synonyms across 4 meanings for “swear”. utter obscenities or profanities (verb) cursecussblasphemeimprecate to declare or affirm solemnly and formally as true (verb) affirmverifyassertavowaverswan make a deposition (verb) deposedepone have faith or confidence in (verb) countbetdependrelybanklookcalculatereckon Explore Related Words Rhymes with swearSynonyms for curseSynonyms for cussSynonyms for blasphemeSynonyms for imprecateSynonyms for affirm Synonym Finder | Rhyme Finder | Poetry Editor