FATNESS Antonyms There are 3 antonyms of the word fatness. (opposite meanings)Did you mean?Definition of FATNESSAlso try opposite words for..fattenfatterfattestfattenedfatteningBest Opposite Words For FATNESSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1leannessnounn2slendernessnounn3thinnessnounn Alternatives for LEANNESS Words (24)meagernesssparenessthinnessboninessemaciationflimsinessfrailtygauntnesshollownesslankinessmalnutritionscrawninessskinninessslightslightnessslimnessundernourishmentcadaverousnesssveltenessexiguitymeagrenesspoornessscantinessscantnessOpposite words for leanness Alternatives for SLENDERNESS Words (12)slightnessslimnessthinnessdelicacyfinenessgracefulnesslankinessnarrownesssleeknesstrimnesssveltenesstenuityOpposite words for slenderness Alternatives for THINNESS Words (12)leannessslendernesslankinessnarrownessskinninessslightnessslimnesssparenessfinenesssparsenesssparsitytenuityOpposite words for thinness