AIR GAS Antonyms There are 2 antonyms of the phrase air gas. (opposite meanings)Did you mean?Definition of AIR GASBest Opposite Words For AIR GASTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1liquidnoun, adjectiven, adj2solidnoun, adjectiven, adj Alternatives for LIQUID Words (18)fluidmeltedaqueousdissolvedflowingliquefiedrunnythinwaterypourablefluentlimpidliquidityliquidnessliquifiedsmoothswimmingfluxivePhrases (1)liquid stateOpposite words for liquid Alternatives for SOLID Words (23)substantialfirmstrongcompactconcretedensehardrigidrobuststablesturdyunyieldingclosedmassiveheartysatisfyingself-coloredself-colouredsolidnesssquareunanimousupstandingwholeOpposite words for solid