FAST-GROWING Antonyms There are 2 antonyms of the word fast-growing. (opposite meanings)Did you mean?Definition of FAST-GROWINGSynonyms of FAST-GROWINGAlso try opposite words for..fastgrowBest Opposite Words For FAST-GROWINGTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1stagnantadjectiveadj2decliningverb, adjectivev, adj Alternatives for STAGNANT Words (14)dormantfixedidleimmobileinactivelifelessmotionlessquietsluggishstaticstilltorpiddeadmoribundOpposite words for stagnant Alternatives for DECLINING Words (29)decreasingdiminishingdwindlingebbingfadingfallingflaggingshrinkingsinkingslidingsubsidingwaningweakeningdeterioratingregressingdeclinationrefusecorrectdecaydeclensiondeclivitydescentdiminutiondownslopefallrejectslumpwaneworsenPhrases (3)go downpass upturn downOpposite words for declining