NIECE Antonyms There are 3 antonyms of the word niece. (opposite meanings)Did you mean?Definition of NIECEAlso try opposite words for..niecesBest Opposite Words For NIECETop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1nephewnounn2auntnounn3unclenounn Alternatives for NEPHEW Words (2)grandsonneveOpposite words for nephew Alternatives for AUNT Words (2)auntieauntyOpposite words for aunt Alternatives for UNCLE Words (1)emeOpposite words for uncle