If you want to describe a negative reaction to something (such as a harmful side effect from medication) or dangerous meteorological conditions (such as a snowstorm), adverse is the …

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

Coming from the Latin adversus meaning "turned against," adverse is an adjective describing a factor that seems to work against or actively harm something. Think of the related word, …

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

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

Mar 6, 2025 · Adverse is sometimes confused with averse, though the meanings are somewhat different. Adverse most often refers to things, denoting something that is in opposition to …

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.

Moving or working in an opposite or contrary direction; opposed. Adverse river currents.

Adverse most commonly means unfavorable or hostile, as in adverse conditions, adverse weather, or adverse criticism. Averse means strongly opposed to or having a feeling of strong …