ALKANE Antonyms There are 2 antonyms of the word alkane. (opposite meanings)Did you mean?Definition of ALKANESynonyms of ALKANEAlso try opposite words for..alkanesBest Opposite Words For ALKANETop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb Expand?WordSave?Synonyms..UsageTypealkenenounnnoun • any unsaturated aliphatic hydrocarbonalkyneverb, noun, adjectivev, n, adjnoun • a colorless flammable gas used chiefly in welding and in organic synthesis Alternatives for ALKENE Words (2)olefinolefineOpposite words for alkene Alternatives for ALKYNE Words (3)alkeneacetyleneethyneOpposite words for alkyne