Which to use
“indefinite” and “infinite” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #16,942
- “indefinite” frequency rank
- #5,507
- “infinite” frequency rank
- 22449
- confusion score
Side-by-Side Comparison
| Feature | indefinite | infinite |
|---|---|---|
| Definition | Without limit; forever, or until further notice; not definite. | Indefinably large, countlessly great; immense. |
Where the spellings diverge
Shared letters are muted; the letters that actually set indefinite and infinite apart are highlighted. They share 8 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
A purely visual mix-up. indefinite (/ɪnˈdɛfɪnɪt/) and infinite (/ˈɪnfᵻnɪt/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 22449, derived from the frequency rank of both members and their visual similarity.
indefinite is recorded at frequency rank #16,942, classified as anadj, pronounced /ɪnˈdɛfɪnɪt/. infinite is at rank #5,507, tagged as anadj, pronounced /ˈɪnfᵻnɪt/.
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 22449, this pair ranks #416,520 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of indefinite vs infinite
Shared letters: efint. Private to "indefinite": d. Private to "infinite": -.
"indefinite" · 10 letters · shape VCCVCVCVCV · "infinite" · 8 letters · shape VCCVCVCV
Known mistypes of this pair
- indefinite ← idnefinite · inddefinite · indeffinite · indefiinte · indefiniet · indefinitte · indefinnite · indefintie
- infinite ← ifninite · inffinite · infiinte · infiniet · infinitte · infinnite · infintie · infniite
Frequency comparison
Frequently Asked Questions
Can "indefinite" and "infinite" be used interchangeably?
Which is more common, "indefinite" or "infinite"?
Remembering indefinite vs infinite
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “indefinite” entry
- Browse more pairs most likely to be confused. Most confusable