intensivevsintensivelyWhat's the difference?

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

Which to use

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

#6,485
“intensive” frequency rank
#34,127
“intensively” frequency rank
40612
confusion score

Side-by-Side Comparison

Feature intensive intensively
Definition Done with intensity or to a great degree; thorough. In an intensive way.

Where the spellings diverge

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

9 ch
intensive
11 ch
intensively

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: intensive is anadjective and intensivelyanadverb. On the page they differ by 2 extra letter(s) - “intensive” sits inside “intensively”. Our composite confusion score for this pair is 40612, derived from the frequency rank of both members and their visual similarity.

intensive is recorded at frequency rank #6,485, classified as anadj, pronounced /ɪnˈtɛnsɪv/. intensively is at rank #34,127, 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 40612, this pair ranks #265,982 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of intensive vs intensively

Shared letters: einstv. Private to "intensive": -. Private to "intensively": ly.

"intensive" · 9 letters · shape VCCVCCVCV  ·  "intensively" · 11 letters · shape VCCVCCVCVCV

Known mistypes of this pair

  • intensiveinetnsive · inntensive · intenisve · intennsive · intensiev · intensivve · intenssive · intensvie
  • intensivelyinetnsively · inntensively · intenisvely · intennsively · intensievly · intensivelly · intensivelyy · intensiveyl

Frequency comparison

intensive#6,485
intensively#34,127

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "intensive" and "intensively" be used interchangeably?
No - they are not even the same part of speech. "intensive" is an adjective and "intensively" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "intensive" or "intensively"?
"intensive" is the more common of the two: it sits at frequency rank #6,485 in our English list, against #34,127 for "intensively". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering intensive vs intensively

The fastest way to pick the right one every time.

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