Synonyms for groin Found 7 synonyms across 2 meanings for “groin”. the crease at the junction of the inner part of the thigh with the trunk together with the adjacent region and often including the external genitals (noun) inguen a protective structure of stone or concrete (noun) breakwatergroynemolebulwarkseawalljetty Explore Related Words Rhymes with groinSynonyms for inguenSynonyms for breakwaterSynonyms for groyneSynonyms for moleSynonyms for bulwark Synonym Finder | Rhyme Finder | Poetry Editor