B2adverbformalenvironmentscience
US/ədˈvɜːrs.li/
UK/ədˈvɜːs.li/
in a harmful or negative way
In context
Rising sea levels could adversely affect rice farming in the Mekong Delta.
Patients who sleep badly are more likely to react adversely to the drug.
Small businesses were adversely affected by the long power cuts.
Words that go with adversely
adverb + verb
- adversely affectAir pollution can adversely affect children's lungs.
- adversely impactHigher fuel prices will adversely impact airlines.
- adversely influenceLack of sleep can adversely influence your memory.
adverb + adjective
- adversely affectedCoastal towns were adversely affected by the storm.
verb + adverb
- react adverselySome people react adversely to certain vaccines.
Common mistakes
Incorrect:
The flood affected adversely to many families.Correct: The flood adversely affected many families.