adjective

adverse

unfavorable, harmful, negative

The drug has some adverse side effects.

The drug has some adverse side effects.

They cancelled the match due to adverse weather conditions.

They canceled the match due to adverse weather conditions.

adverse ((sth.)) unfavorable ((sth.)) They canceled the match due to adverse weather conditions.

Synonyms: unfavorable, negative, detrimental; Antonyms: favorable, beneficial, positive

From Latin 'adversus' meaning 'turned against'. 'ad-' (to, against) + 'vertere' (to turn). Same root as 'adversary'.

'Adverse' conditions are 'against' you. Think of 'ad' (against) and 'verse' (turn) - things are turned against you.

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