FOURSOME Scrabble 13 Words With Friends 15 Definition noun four people considered as a unit. — synonyms: quartet, quartette noun the cardinal number that is the sum of three and one. — synonyms: four, 4, IV, tetrad, quatern, quaternion, quaternary, quaternity See all 132 words you can make from FOURSOME → 8-letter words Words starting with F Words ending with E ← Unscramble different letters