ACANTHA Antonyms There are 3 antonyms of the word acantha. (opposite meanings)Did you mean?Definition of ACANTHASynonyms of ACANTHABest Opposite Words For ACANTHATop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1evenadverbadv2sleekverb, adjectivev, adj3smoothverb, adjectivev, adj Alternatives for EVEN Words (21)levelregulareveningeventidedefinitelyevefifty-fiftyflatflattenflushmatchmonotonepreciselyquitsroundsettlesquarestilltieduniformyetPhrases (1)even outOpposite words for even Alternatives for SLEEK Words (26)elegantrefinedglossylustrouspolishedshinysmoothsophisticatedstylishsuavesilkycivilizedclassyfrictionlessglacegracefullithesheenyslicksvelteaerodynamicflowingsatinysilkensilklikestreamlinedOpposite words for sleek Alternatives for SMOOTH Words (24)fluidevensuaveeffortlessflatgentlelevelpolishedseamlesssilkysleeksmoothenblandfluentlegatoliquidplacidpolishpoliticquietshinestilltranquilunruffledPhrases (1)smooth outOpposite words for smooth