FLATMATE Antonyms There are 4 antonyms of the word flatmate. (opposite meanings)Did you mean?Definition of FLATMATESynonyms of FLATMATEBest Opposite Words For FLATMATETop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1housematenounn2lodgernounn3roommatenounn4tenantnounn Alternatives for HOUSEMATE Words (5)roommateboarderlodgertenantcohabitantOpposite words for housemate Alternatives for LODGER Words (6)boarderroomeroccupantrenterresidenttenantOpposite words for lodger Alternatives for ROOMMATE Words (3)roomiehousemateroomyOpposite words for roommate Alternatives for TENANT Words (5)renteroccupantlesseeresidentdwellerOpposite words for tenant