Synonyms for arc Found 7 synonyms across 3 meanings for “arc”. electrical conduction through a gas in an applied electric field (noun) dischargespark something curved in shape (noun) bow form an arch or curve (verb) archcurve Explore Related Words Rhymes with arcSynonyms for dischargeSynonyms for sparkSynonyms for bowSynonyms for archSynonyms for curve Synonym Finder | Rhyme Finder | Poetry Editor