What is the meaning of Adverse?

Unfavorable; antagonistic in purpose or effect; hostile; actively opposing one's interests or wishes; contrary to one's welfare; acting against; working in an opposing direction.

Opposed; contrary; opposing one's interests or desire.

Opposite; confronting.

adverse

vocative masculine singular of adversus

inflection of adversar:

1. first/third-person singular present subjunctive
2. third-person singular imperative

first/third-person singular present subjunctive

third-person singular imperative

Source: wiktionary.org