adversevsadverselyWhat's the difference?

Quick tell: adverse is a adjective, adversely is an adverb, so they fill different roles in a sentence.

Which to use

“adverse” is an adjective and “adversely” is an adverb - they look or sound alike but fill different roles in a sentence.

#8,382
“adverse” frequency rank
#20,279
“adversely” frequency rank
28661
confusion score

Side-by-Side Comparison

Feature adverse adversely
Definition Unfavorable; antagonistic in purpose or effect; hostile; actively opposing one's interests or wishes; contrary to one's welfare; acting against; working in an opposing direction. In an adverse manner.

Where the spellings diverge

Shared letters are muted; the letters that actually set adverse and adversely apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.

7 ch
adverse
9 ch
adversely

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: adverse is anadjective and adverselyanadverb. On the page they differ by 2 extra letter(s) - “adverse” sits inside “adversely”. Our composite confusion score for this pair is 28661, derived from the frequency rank of both members and their visual similarity.

adverse is recorded at frequency rank #8,382, classified as anadj, pronounced /ˈæd.və(ɹ)s/. adversely is at rank #20,279, tagged as anadv.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 28661, this pair ranks #369,327 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of adverse vs adversely

Shared letters: adersv. Private to "adverse": -. Private to "adversely": ly.

"adverse" · 7 letters · shape VCCVCCV  ·  "adversely" · 9 letters · shape VCCVCCVCV

Known mistypes of this pair

  • adverseaddverse · adevrse · adveres · adverrse · adversse · advesre · advrese · advverse
  • adverselyaddversely · adevrsely · adveresly · adverrsely · adverselly · adverselyy · adverseyl · adversley

Frequency comparison

adverse#8,382
adversely#20,279

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "adverse" and "adversely" be used interchangeably?
No - they are not even the same part of speech. "adverse" is an adjective and "adversely" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "adverse" or "adversely"?
"adverse" is the more common of the two: it sits at frequency rank #8,382 in our English list, against #20,279 for "adversely". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering adverse vs adversely

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “adverse”; for an adverb, it's “adversely”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “adverse” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list