viciousvsviciouslyWhat's the difference?

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

Which to use

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

#9,270
“vicious” frequency rank
#31,816
“viciously” frequency rank
41086
confusion score

Side-by-Side Comparison

Feature vicious viciously
Definition Violent, destructive and cruel. In a vicious manner; ferociously or maliciously.

Where the spellings diverge

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

7 ch
vicious
9 ch
viciously

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: vicious is anadjective and viciouslyanadverb. On the page they differ by 2 extra letter(s) - “vicious” sits inside “viciously”. Our composite confusion score for this pair is 41086, derived from the frequency rank of both members and their visual similarity.

vicious is recorded at frequency rank #9,270, classified as anadj, pronounced /ˈvɪʃəs/. viciously is at rank #31,816, 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 41086, this pair ranks #261,602 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of vicious vs viciously

Shared letters: ciosuv. Private to "vicious": -. Private to "viciously": ly.

"vicious" · 7 letters · shape CVCVVVC  ·  "viciously" · 9 letters · shape CVCVVVCCV

Known mistypes of this pair

  • viciousivcious · vciious · viccious · viciosu · viciouss · viciuos · vicoius · viicous
  • viciouslyivciously · vciiously · vicciously · viciosuly · vicioulsy · viciouslly · viciouslyy · vicioussly

Frequency comparison

vicious#9,270
viciously#31,816

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "vicious" and "viciously" be used interchangeably?
No - they are not even the same part of speech. "vicious" is an adjective and "viciously" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "vicious" or "viciously"?
"vicious" is the more common of the two: it sits at frequency rank #9,270 in our English list, against #31,816 for "viciously". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering vicious vs viciously

The fastest way to pick the right one every time.

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