QUICKENERS Antonyms There are 8 antonyms of the word quickeners. (opposite meanings)Did you mean?Definition of QUICKENERSSynonyms of QUICKENERSBest Opposite Words For QUICKENERSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1blockernoun, adjectiven, adj2dampenernounn3delayerverb, nounv, n4inhibitornounn5sloweradverb, adjectiveadv, adj6deceleratornounn7hinderernounn8retardernoun, adjectiven, adj Alternatives for BLOCKER Words (11)barricadebarriercheckdeterrenthindranceimpedimentinhibitionlimitobstacleobstructionprohibitionPhrases (1)blocking agentOpposite words for blocker Alternatives for DAMPENER Words (10)dampenerdampermufflerrestrainersoftenersuppressormitigatorkilljoymoistenerspoilsportPhrases (1)party pooperOpposite words for dampener Alternatives for INHIBITOR Words (17)blockcheckconstraincurtaildelaydeterhamperhinderimpedelimitobstructpreventrestrainrestrictstiflestopsuppressPhrases (1)hold backOpposite words for inhibitor Alternatives for SLOWER Words (31)dullboringsluggishbehindcarefuldeadeningdeceleratedeliberatedensedilatorydimdumbeasygradualho-huminactiveirksomemoderateobtuseprudentquietslackslackenslothfulslowlytardilytardytedioustiresomewearisomeunbusyPhrases (2)slow downslow upOpposite words for slower