ANNUAL Antonyms There are 7 antonyms of the word annual. (opposite meanings)Did you mean?Definition of ANNUALSynonyms of ANNUALAlso try opposite words for..annualsannuallyBest Opposite Words For ANNUALTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1episodicadjectiveadj2occasionaladjectiveadj3one-timeadjectiveadj4singularnoun, adjectiven, adj5sporadicadjectiveadj6biennialadjectiveadj7perennialadjectiveadj Alternatives for EPISODIC Words (6)discontinuousfragmentalfragmentaryintermittentsporadicoccasionalOpposite words for episodic Alternatives for OCCASIONAL Words (3)casualepisodicperiodicOpposite words for occasional Alternatives for ONE-TIME Words (7)formererstwhileoldonetimepastquondamsometimeOpposite words for one-time Alternatives for SINGULAR Words (19)uniqueindividualloneoneonlysolesolitarycuriousfunnyoddpeculiarremarkablerummyeccentricexceptionalextraordinarynon-invertiblestrangeunusualPhrases (1)singular formOpposite words for singular Alternatives for SPORADIC Words (11)episodicfitfulhaphazardinfrequentintermittentirregularisolatedoccasionalrarescatteredspasmodicOpposite words for sporadic Alternatives for BIENNIAL Words (3)biannualbiyearlytwo-yearOpposite words for biennial Alternatives for PERENNIAL Words (9)everlastingpermanentperpetualrecurringrepetitioustimelessunceasingrecurrentrepeatedOpposite words for perennial