ALKALOIDS Antonyms There are 6 antonyms of the word alkaloids. (opposite meanings)Did you mean?Definition of ALKALOIDSAlso try opposite words for..alkaloidalkaloidalBest Opposite Words For ALKALOIDSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1nontoxicadjectiveadj2acidsnounn3basesverb, nounv, n4neutralsnoun, adjectiven, adj5nonacidsnounn6nonbasicnoun, adjectiven, adj Alternatives for NONTOXIC Words (6)nonpoisonousharmlesssafeatoxicinnocuousnon-poisonousOpposite words for nontoxic Alternatives for ACIDS Words (22)acidicaciduloussourtangyvinegarishacerbacerbicacidulentacridbattery-acidbitterblisteringcausticdosedotelvispanesulfuroussulphuroussupermanvirulentvitriolicPhrases (4)back breakerloony toonslucy in the sky with diamondswindow paneAbbreviations (1)zenOpposite words for acids Alternatives for BASES Words (19)bedrockgroundsfootingsfoundationspillarssubstructuressupportsunderpinningsbasealkalibassocornerstonefootingfoundationfundamentgroundgroundworkprimitiveradicalPhrases (1)f clefOpposite words for bases Alternatives for NEUTRALS Words (15)indifferentdetacheddisinterestedequitablefairimpartialnonpartisanobjectiveunbiaseduncommitteduninvolvedachromaticelectroneutralimpersonalinertOpposite words for neutrals Alternatives for NONBASIC Words (15)additionalancillaryexcessextranonessentialperipheralsecondarysparesubordinatesupplementalsupplementarysurplustrivialunimportantunnecessaryOpposite words for nonbasic