Synonyms for futile Found 8 synonyms across 2 meanings for “futile”. producing no result or effect (adj) ineffectualotioseunavailingmeaningless unproductive of success (adj) bootlessfruitlesssleevelessvain Explore Related Words Rhymes with futileSynonyms for ineffectualSynonyms for otioseSynonyms for unavailingSynonyms for meaninglessSynonyms for bootless Synonym Finder | Rhyme Finder | Poetry Editor