antagonistic

adjectives

indicating opposition or resistance
is derived from
is derived from
characterized by antagonism or antipathy
"slaves antagonistic to their masters"; "antipathetic factions within the party"
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is derived from
arousing animosity or hostility
"his antagonistic brusqueness"; "Europe was antagonistic to the Unites States"
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antonym
is similar to
causing hostility or loss of friendliness
"her sudden alienating aloofness"
used especially of drugs or muscles that counteract or neutralize each other's effect
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is derived from
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antonym
incapable of harmonious association
is derived from
is similar to
not compatible
"incompatible personalities"; "incompatible colors"