SPONGINESS Antonyms There are 5 antonyms of the word sponginess. (opposite meanings)Did you mean?Definition of SPONGINESSSynonyms of SPONGINESSAlso try opposite words for..spongyBest Opposite Words For SPONGINESSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1densitynounn2firmnessnounn3hardnessnounn4rigiditynounn5stiffnessnounn Alternatives for DENSITY Words (10)compactnessconcentrationconsistencyheavinessmassivenesssoliditythicknessweightinessdensenesstightnessOpposite words for density Alternatives for FIRMNESS Words (11)resolutenessresolvesteadinessconstancydeterminationgritperseverancestabilitysteadfastnessresolutionsoundnessPhrases (1)firmness of purposeOpposite words for firmness Alternatives for HARDNESS Words (14)callositycallousnessharshnessinclemencyinsensibilityrigorrigorousnessrigourrigourousnessruggednessseverenessseveritystiffnessunfeelingnessOpposite words for hardness Alternatives for RIGIDITY Words (13)inflexibilityausterityfirmnesshardnessharshnessimmovabilityresistanceseveritysoliditysternnessstiffnessstrictnessrigidnessOpposite words for rigidity Alternatives for STIFFNESS Words (16)hardnessfirmnessimmobilityinflexibilityrigidityawkwardnessclumsinessgracelessnessharshnessinclemencyrigorrigorousnessrigourrigourousnessseverenessseverityOpposite words for stiffness