The meaning of ADVERSE is acting against or in a contrary direction : hostile. How to use adverse in a sentence. Adverse vs. Averse.

ADVERSE meaning: 1. having a negative or harmful effect on something: 2. having a negative or harmful effect on…. Learn more.

Adverse decisions, conditions, or effects are unfavorable to you. The police said Mr. Hadfield's decision would have no adverse effect on the progress of the investigation.

Definition of adverse adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. Acting or serving to oppose; antagonistic: adverse criticism. 2. Contrary to one's interests or welfare; harmful or unfavorable: adverse circumstances. 3. Moving in an opposite or opposing …

Dec 26, 2025 · adverse (comparative more adverse or (rare or nonstandard) adverser, superlative most adverse or (rare or nonstandard) adversest) Unfavorable; antagonistic in purpose or …

Factsheet What does the word adverse mean? There are six meanings listed in OED's entry for the word adverse. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

If it's adverse, it's working against you — like adverse weather conditions or the adverse effects of eating too much sugar. Coming from the Latin adversus meaning "turned against," adverse is …

Adverse is seldom used of people but rather of effects or events, and it usually conveys a sense of hostility or harmfulness: adverse reviews; adverse winds; adverse trends in the economy.

Sep 24, 2025 · Adverse childhood experiences can have long-term negative impacts on health, opportunity and well-being. Adverse childhood experiences are common and some groups …