ANTITRUST Antonyms There are 4 antonyms of the word antitrust. (opposite meanings)Did you mean?Definition of ANTITRUSTBest Opposite Words For ANTITRUSTTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1cartelnounn2collusionnounn3monopolynoun, adjectiven, adj4trustverb, nounv, n Alternatives for CARTEL Words (9)combinetrustallianceassociationconfederationconsortiumfederationnetworksyndicatePhrases (1)corporate trustOpposite words for cartel Alternatives for COLLUSION Words (5)connivancecomplicityconspiracyintrigueplotOpposite words for collusion Alternatives for MONOPOLY Words (15)ascendancyauthorityautocracycommandcontroldictatorshipempirehegemonymasterypowerpreeminencesovereigntysupremacytyrannymonopolistOpposite words for monopoly Alternatives for TRUST Words (16)confidencefaithhopebeliefbelievecartelcombinecommitconfidedesireentrustexpectationintrustreliancetrustfulnesstrustingnessPhrases (1)corporate trustOpposite words for trust