Synonyms of adverse
1 harmfulDictionary • The decision would have no adverse effect on the investigation.
harmful • the harmful effects of smoking
damaging • Is the recycling process damaging to the environment?
opposite • They fought on opposite sides during the War of Independence.
destructive • the awesome destructive power of nuclear weapons
detrimental • These foods are considered detrimental to health.
hurtful • Her comments were very hurtful to Mrs Green's family.
injurious • Stress in itself is not necessarily injurious.
inimical • a false morality that is inimical to human happiness
2 unfavourableDictionary • Despite the adverse conditions, the road was finished in just eight months.
unfavourable • Unfavourable economic conditions were blocking a recovery.
bad • The closure of the project is bad news for her staff.
unfortunate • Through some unfortunate accident, the information reached me a day late.
unlucky • 13 was to prove an unlucky number.
unfriendly • We got an unfriendly reception from the hotel-owner.
untimely • Your readers would have seen the article as at best untimely.
inopportune • The dismissals came at an inopportune time.
disadvantageous • This policy has proved extremely disadvantageous for us.
3 negativeDictionary • Wine lakes and butter mountains have drawn considerable adverse publicity.
negative • Dr. Velayati gave a vague but negative response.
hostile • some of the most hostile climatic conditions in the world
contrary • His sister was of the contrary opinion to his.
unfriendly • She spoke in a loud, rather unfriendly voice.
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badIf you describe a piece of news, an action, or a sign as bad, you mean that it is unlikely to result in benefit or success.
• The closure of the project is bad news for her staff.
• His sister was of the contrary opinion to his.
damagingTo damage something means to cause it to become less good, pleasant, or successful. (adjective)
• Is the recycling process damaging to the environment?
Thesaurus for adverse from the Collins English Thesaurus