CUSTOM Antonyms There are 9 antonyms of the word custom. (opposite meanings)Did you mean?Definition of CUSTOMAlso try opposite words for..customarycustomisecustomizecustomisedcustomizedBest Opposite Words For CUSTOMTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1conventionverb, nounv, n2habitnounn3normnounn4practiceverb, nounv, n5protocolnounn6routinenounn7ruleverb, nounv, n8standardadverb, noun, adjectiveadv, n, adj9traditionnounn Alternatives for CONVENTION Words (19)assemblyconclaveconferencecongregationcongressgatheringhuddlemeetingpowwowrallysummitsymposiumconveningconventionalismconventionalityformulanormalpatternruleOpposite words for convention Alternatives for HABIT Words (8)wontaddictionmannerpatternpracticeroutinetraditionusePhrases (4)second naturedrug abuseriding habitsubstance abuseOpposite words for habit Alternatives for NORM Words (9)benchmarkconventioncriterionguidelinemodelprinciplerulestandardaverageOpposite words for norm Alternatives for PRACTICE Words (34)exercisedrillrehearseadvancecultivatedevelopdisciplineevolvegroomhoneimproveperfectpolishprepareprogressrefinerepeatstudytrainpatternpractisehabitrehearsalroutinetrainingtrialwontworkoutapplycommitdopraxisrecitationusePhrases (3)work outdry runpractice sessionOpposite words for practice Alternatives for PROTOCOL Words (21)procedureceremonycodeconventiondecorumformatguidelinehabitmethodorderplanpracticeregulationriteritualroutinestandardsystemwayrulespolicyPhrases (1)communications protocolOpposite words for protocol Alternatives for ROUTINE Words (22)procedurehabitorderpatternpracticeregimenrhythmsystemtraditionfunctionsubroutinerutactbiteverydaymundanenumberquotidiansubprogramturnunremarkableworkadayPhrases (1)modus operandiOpposite words for routine Alternatives for RULE Words (27)principledecreeregulationcanoncommanddirectiveguidelinelaworderordinancepreceptstatuteformulaconventiondominatedominionfindgovernharnessnormalpatternpredominateprescriptprevailreignreinrulerPhrases (1)linguistic ruleOpposite words for rule Alternatives for STANDARD Words (21)averagecommonconventionalcustomaryestablishedexpectedfamiliarnormalordinaryprevalentregularroutinetraditionaltypicalusualcriterionbannermeasurereceivedstocktouchstonePhrases (1)monetary standardOpposite words for standard