n. Opposition; conflict; resistance, in a physical sense.n. Mental opposition or antagonism; positive disinclination (to do or suffer something); in a general sense, aversion.n. Contradictory opposition; in logic, disagreement; inconsistency; contradiction; the relation of two propositions one of which must be true and the other false; the relation of two characters such that every individual must possess the one and lack the other.n. Synonyms Hatred, Dislike, etc. (see antipathy), backwardness, disinclination. See list under aversion.