averse Definition

averse
adj

1. Reluctant about or opposed to it.

Thesaurus: reluctant, unwilling, disinclined, ill-disposed, opposed, loath, antipathetic, unfavourable, inimical, antagonistic, hostile; Antonym: willing, sympathetic.
Form: averse to something (always)

Derivative: aversely
adverb

Derivative: averseness
noun

Etymology: 16c: from Latin aversus, from ab away from + vertere to turn.

Info:

A word sometimes confused with this one is adverse.