incorrectvsincorrectlyWhat's the difference?

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

Which to use

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

#7,804
“incorrect” frequency rank
#13,537
“incorrectly” frequency rank
21341
confusion score

Side-by-Side Comparison

Feature incorrect incorrectly
Definition Not correct; erroneous or wrong. In an incorrect manner.

Where the spellings diverge

Shared letters are muted; the letters that actually set incorrect and incorrectly apart are highlighted. They share 9 letters in sequence, which is exactly why the eye skips the difference.

9 ch
incorrect
11 ch
incorrectly

Spelling & Dictionary Insight

incorrect and incorrectly form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 2 extra letter(s) - “incorrect” sits inside “incorrectly” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 21341, derived from the frequency rank of both members and their visual similarity.

incorrect is recorded at frequency rank #7,804, classified as anadj, pronounced /ˌɪn.kəˈɹɛkt/. incorrectly is at rank #13,537, tagged as anadv, pronounced /ˌɪnkəˈɹɛk(t).li/.

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 21341, this pair ranks #424,600 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

incorrect#7,804
incorrectly#13,537

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "incorrect" and "incorrectly" be used interchangeably?
No, "incorrect" and "incorrectly" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering incorrect vs incorrectly

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “incorrect”; for an adverb, it's “incorrectly”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “incorrect” 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 FrequencyWords open word-frequency list