This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Hostility that results in active resistance, opposition, or contentiousness. See Synonyms at enmity.

n. The condition of being an opposing principle, force, or factor: the inherent antagonism of capitalism and socialism.

n. Biochemistry Interference in the physiological action of a chemical substance by another having a similar structure.

n. A strong natural dislike or hatred; antipathy.

n. Opposition of action; counteraction or contrariety of things or principles.

n. The state of being mutually opposed; mutual resistance or opposition of two forces in action; contrariety of things or principles.

n. The act of antagonizing; opposition.

n. an actively expressed feeling of dislike and hostility

n. a state of deep-seated ill-will

n. the relation between opposing principles or forces or factors

n. (biochemistry) interference in or inhibition of the physiological action of a chemical substance by another having a similar structure

"Antagonism never lulled revolution, and antagonism is about all the capitalist class offers."

ill will    hostility    enmity    dislike    opposition    oppositeness    hinderance    hindrance    interference   

opposition   

animosity    antipathy    hostility    repugnance    rivalry    resentment    repulsion    mistrust    discontent    hate