unilateralvsunilaterallyWhat's the difference?

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

Which to use

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

#18,454
“unilateral” frequency rank
#24,942
“unilaterally” frequency rank
43396
confusion score

Side-by-Side Comparison

Feature unilateral unilaterally
Definition Done by one side only. In a unilateral or one-sided way.

Where the spellings diverge

Shared letters are muted; the letters that actually set unilateral and unilaterally apart are highlighted. They share 10 letters in sequence, which is exactly why the eye skips the difference.

10 ch
unilateral
12 ch
unilaterally

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: unilateral is anadjective and unilaterallyanadverb. On the page they differ by 2 extra letter(s) - “unilateral” sits inside “unilaterally”. Our composite confusion score for this pair is 43396, derived from the frequency rank of both members and their visual similarity.

unilateral is recorded at frequency rank #18,454, classified as anadj, pronounced /ˌjuːnɪˈlætərəl/. unilaterally is at rank #24,942, 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 43396, this pair ranks #240,366 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of unilateral vs unilaterally

Shared letters: aeilnrtu. Private to "unilateral": -. Private to "unilaterally": y.

"unilateral" · 10 letters · shape VCVCVCVCVC  ·  "unilaterally" · 12 letters · shape VCVCVCVCVCCV

Known mistypes of this pair

  • unilateralnuilateral · uinlateral · unialteral · unilaetral · unilatearl · unilaterall · unilaterla · unilaterral
  • unilaterallynuilaterally · uinlaterally · unialterally · unilaetrally · unilatearlly · unilaterallyy · unilateraly · unilateralyl

Frequency comparison

unilateral#18,454
unilaterally#24,942

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "unilateral" and "unilaterally" be used interchangeably?
No - they are not even the same part of speech. "unilateral" is an adjective and "unilaterally" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "unilateral" or "unilaterally"?
"unilateral" is the more common of the two: it sits at frequency rank #18,454 in our English list, against #24,942 for "unilaterally". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering unilateral vs unilaterally

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “unilateral”; for an adverb, it's “unilaterally”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “unilateral” 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