ENGLISH
REFERENCE

adverse

adj.
C1 Advanced Oxford US //ˈædˌvɝs// UK //ædvˈɜːs// ad·verse

adj. harmful, negative, or unpleasant. You use this to describe conditions or effects that make a situation difficult or prevent success.

adj. preventing success or development; harmful or unfavourable in effect. Often used to describe environmental conditions or medical reactions.


SIMPLE

The medicine had some adverse side effects.

CONTEXTUAL

The outdoor concert was cancelled due to adverse weather conditions that made the stage unsafe.

COMPLEX

Despite the adverse economic climate and rising interest rates, the small startup managed to secure enough venture capital to expand its operations into three new territories.

Synonyms
Origin

First attested around 1374, from Old French avers (French adverse), from Latin adversus (“turned against”), past participle of advertere, from ad- (“to”) + vertere (“to turn”). See also versus.

Usage

Typically used in an attributive position before the noun it modifies.

Pitfall

The weather was very averse.The weather was very adverse.Learners often confuse 'adverse' (harmful conditions) with 'averse' (a person's strong dislike or opposition to something).

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