Adjective

• S: (adj) antagonistic, counter (indicating opposition or resistance)
• similar to
• S: (adj) negative (characterized by or displaying negation or denial or opposition or resistance; having no positive features) "a negative outlook on life"; "a colorless negative personality"; "a negative evaluation"; "a negative reaction to an advertising campaign"
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• S: (adj) antagonistic, antipathetic, antipathetical (characterized by antagonism or antipathy) "slaves antagonistic to their masters"; "antipathetic factions within the party"
• similar to
• S: (adj) hostile (characterized by enmity or ill will) "a hostile nation"; "a hostile remark"; "hostile actions"
• derivationally related form
• antonym
• W: (adj) amicable [Indirect via hostile] (characterized by friendship and good will) "an amicable agreement"
• S: (adj) antagonistic (arousing animosity or hostility) "his antagonistic brusqueness"; "Europe was antagonistic to the Unites States"
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• antonym
• derivationally related form
• S: (adj) antagonistic, incompatible (used especially of drugs or muscles that counteract or neutralize each other's effect)
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• antonym
• derivationally related form
• W: (n) antagonist [Related to: antagonistic] (a muscle that relaxes while another contracts) "when bending the elbow the triceps are the antagonist"
• W: (n) antagonist [Related to: antagonistic] (a drug that neutralizes or counteracts the effects of another drug)
• W: (n) antagonism [Related to: antagonistic] ((biochemistry) interference in or inhibition of the physiological action of a chemical substance by another having a similar structure)
• S: (adj) antagonistic (incapable of harmonious association)