HALF-SISTER Antonyms There are 6 antonyms of the word half-sister. (opposite meanings)Did you mean?Definition of HALF-SISTERAlso try opposite words for..halvessisterlysisterhoodBest Opposite Words For HALF-SISTERTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1kinnounn2kinswomannounn3relativenoun, adjectiven, adj4siblingnounn5sisternounn6blood relativenounn Alternatives for KIN Words (15)cognizegrokkenmayakinblood-relatedclancognateconsanguineconsanguinealconsanguineousfamilykindredkinspersontribePhrases (2)kin groupkinship groupOpposite words for kin Alternatives for RELATIVE Words (8)comparativeconditionalcongenatorcongenercongenericlimitedproportionalrelationOpposite words for relative Alternatives for SIBLING Words (5)brotherkinrelativesistersibOpposite words for sibling Alternatives for SISTER Words (10)sisaffiliateaffiliateddarlingdearladylovemissnunpetOpposite words for sister