adjective Etymology: Middle English, from Anglo-French advers, from Latin adversus, past participle of advertere Date: 14th century acting against or in a contrary direction ; hostile , 2. opposed to one's interests , causing harm ; harmful , opposite in position, ~ly adverb ~ness noun
ADVERSE
Meaning of ADVERSE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012