adverse
- unfavorable or antagonistic in purpose or effect: adverse criticism.
- opposing one's interests or desire: adverse circumstances.
- being or acting in a contrary direction; opposed or opposing: adverse winds.
- opposite; confronting: the adverse page.
Origin of adverse
Synonyms for adverse
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Antonyms for adverse
Usage note
Related Words for adverse
inimical, conflicting, negative, unfriendly, detrimental, unfortunate, disadvantageous, injurious, contrary, inopportune, opposed, opposing, opposite, ornery, reluctant, repugnant, stuffy, unlucky, unpropitious, unwillingExamples from the Web for adverse
Contemporary Examples of adverse
“Any time you put a foreign substance into anybody you have the potential for an adverse event,” Geisbert reminds.
Human trials of the Ebola vaccine have been temporarily shut down due to adverse side effects.
However, just because a vaccine is replication-defective does not mean that you won't have an adverse event.
For the individual patient, there is the potential for side effects or adverse reactions.
Without Education, Antibiotic Resistance Will Be Our Greatest Health CrisisRussell Saunders
December 19, 2014
Reeve passed away after experiencing an adverse reaction to an antibiotic on Oct. 10, 2004.
Robin Williams and Christopher Reeve's Epic Friendship and the Greatest Williams Story Ever ToldMarlow Stern
August 12, 2014
Historical Examples of adverse
The experience of civilized nations has hitherto been adverse to Socialism.
The RepublicPlato
Nor was it a small inducement to him to think that the side he adopted was adverse to Kate.
Luttrell Of ArranCharles James Lever
The adverse weather held us in front and the disease pressed on our rear.
The Shadow-LineJoseph Conrad
"Some adverse influence is at work," said Funkelstein, with some vexation.
David ElginbrodGeorge MacDonald
It is not wonderful that property began in adverse possession.
Ancient LawSir Henry James Sumner Maine
adverse
- antagonistic or inimical; hostileadverse criticism
- unfavourable to one's interestsadverse circumstances
- contrary or opposite in direction or positionadverse winds
- (of leaves, flowers, etc) facing the main stemCompare averse (def. 2)
Word Origin for adverse
Word Origin and History for adverse
late 14c., "contrary, opposing," from Old French avers (13c., Modern French adverse) "antagonistic, unfriendly, contrary, foreign" (e.g. gent avers "infidel race"), from Latin adversus "turned against, turned toward, fronting, facing," figuratively "hostile, adverse, unfavorable," past participle of advertere, from ad- "to" (see ad-) + vertere "to turn" (see versus). Related: Adversely.