Synonyms for knave Found 7 synonyms across 2 meanings for “knave”. a deceitful and unreliable scoundrel (noun) roguerascalrapscallionscalawagscallywagvarlet one of four face cards in a deck bearing a picture of a young prince (noun) jack Explore Related Words Rhymes with knaveSynonyms for rogueSynonyms for rascalSynonyms for rapscallionSynonyms for scalawagSynonyms for scallywag Synonym Finder | Rhyme Finder | Poetry Editor