Misspelling of autonymically.

In an antonymic manner

(semantics) A word which has the opposite meaning of another word. / A word that describes one end of a scale, while its opposite describes the other end, such as large versus small; a gradable antonym.

(semantics) Of or relating to an antonym or antonyms.

Having an opposite or diametrically opposite meaning. / Of, or being an antonym; antonymic.

plural of antonym

(semantics) In an antonymous way.

(semantics) complementary antonym

(semantics) A term that, together with another term, forms a pair of opposite role names in a relationship, such as parent and child.

(semantics) gradable antonym