WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / H / half sister half sister noun 11 letters Scrabble 16 WWF 16 Definitions noun a sister who has only one parent in common with you half-sisterstepsister noun a sister who has only one parent in common with you half sisterstepsister Look “half sister” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →