LIGHTNESS Antonyms There are 7 antonyms of the word lightness. (opposite meanings)Did you mean?Definition of LIGHTNESSAlso try opposite words for..lightlighterlightestlightishBest Opposite Words For LIGHTNESSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1darknessnounn2heavinessnounn3densenessnounn4gravitynounn5soliditynounn6thicknessnounn7weightverb, nounv, n Alternatives for DARKNESS Words (21)shadowblackblacknessblindnesscloudinessdimdimnessduskgloommidnightmurknightobscurityopacitypitchshadetenebrositydarkduskinessswarthinesswickednessOpposite words for darkness Alternatives for HEAVINESS Words (13)bulkburdengravityloadmasspressureweightburdensomenessonerousnessoppressivenessponderousnessthicknessweightinessOpposite words for heaviness Alternatives for DENSENESS Words (13)compactnessconcentrationclosenesscongestionimpenetrabilityopaquenesssoliditythicknesscrowdednessdensitydumbnessslow-wittednesstightnessOpposite words for denseness Alternatives for GRAVITY Words (20)attractionforcegravityheavinessheftloadmasspressurepullsubstanceweightinessgravenessgravegravitationseriousnesssobernesssobrietysolemnitysombernesssombrenessPhrases (2)gravitational attractiongravitational forceOpposite words for gravity Alternatives for SOLIDITY Words (26)hardnesssoundnessstrengthdurabilityfirmnessimmovabilityintegritypermanencereliabilityresistancerigidityrobustnesssoliditystabilitysteadfastnesssturdinesssubstantialitysubstantialnesstoughnessunyieldingnesssolidnesscompactnessconsistencydensityfullnessmassivenessOpposite words for solidity Alternatives for THICKNESS Words (11)densenessdensitydepthfatnessheavinesslayerslownessstratumstupidityviscositythickheadednessOpposite words for thickness Alternatives for WEIGHT Words (6)angleburdenburthenslantweightinessweightingPhrases (5)exercising weightfree weightsystem of weightsweight downweight unitOpposite words for weight