MULTIHULLS Antonyms There are 2 antonyms of the word multihulls. (opposite meanings)Did you mean?Definition of MULTIHULLSSynonyms of MULTIHULLSAlso try opposite words for..multihullBest Opposite Words For MULTIHULLSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb Expand?WordSave?Synonyms..UsageTypemonohullsnounnnoun • A boat that has a single hull.monohullnoun, adjectiven, adjnoun • A boat that has a single hull.