definevsdefinirTell them apart

Which to use

“define” and “definir” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#3,696
“define” frequency rank
#4,152
“definir” frequency rank
7848
confusion score

Side-by-Side Comparison

Feature define definir
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de definir. Formular con claridad y exactitud el significado de algo.

Where the eye mixes define and definir

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
define
7 ch
definir

Visual trap between define and definir

A purely visual mix-up. define ([d̪eˈfine]) and definir ([d̪efiˈniɾ]) 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 1 letter(s) in length. Our composite confusion score for this pair is 7848, derived from the frequency rank of both members and their visual similarity.

define is recorded at frequency rank #3,696, classified as averb, pronounced [d̪eˈfine]. definir is at rank #4,152, tagged as averb, pronounced [d̪efiˈniɾ].

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 7848, this pair ranks #306,752 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of define vs definir

Shared letters: defin. Private to "define": -. Private to "definir": r.

"define" · 6 letters · shape CVCVCV  ·  "definir" · 7 letters · shape CVCVCVC

Known mistypes of this pair

  • defineddefine · deffine · defien · definne · defnie · deifne · dfeine · edfine
  • definirddefinir · deffinir · defiinr · definirr · definnir · definri · defniir · deifnir

Frequently Asked Questions

Can "define" and "definir" be used interchangeably?
No. They are said differently ([d̪eˈfine] versus [d̪efiˈniɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "define" or "definir"?
"define" is the more common of the two: it sits at frequency rank #3,696 in our Spanish list, against #4,152 for "definir". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "define" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "definir" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #306,752 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "define" and "definir" also get mixed up with nearby pairs, the highest-scored neighbour is "definir vs definiría". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #306,752 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list