adversely
UK: ədˈvɜːsli | US: ədˈvɜːrsli
adv. in a harmful or unfavorable manner
adv. in opposition or resistance to something
adverse<against> + ly<adverb suffix>
- adverse: From Latin adversus (turned toward, hostile), combining ad- (toward) + versus (turned).
- ly: Old English suffix -lice, forming adverbs from adjectives.
Etymology Origin:
The word adversely traces back to Latin adversus, meaning "turned against." The prefix ad- (toward) and root versus (turned) combine to convey opposition. Over time, adverse evolved to describe anything acting in a harmful or contrary way, with -ly added to form the adverb. The logic reflects physical turning (e.g., facing an opponent) metaphorically extending to abstract opposition.
The drug may affect your health adversely.
His comments were viewed adversely by the committee.
The economy reacted adversely to the new policy.
Prolonged exposure to sunlight can adversely impact your skin.
The team performed adversely under pressure.