formalize

/ˈfɔɹ.məlaɪːz/

//ˈfɔɹ.məlaɪːz// verb

By · According to Wiktionary data (CC BY-SA) ·

"formalize" is a 9-letter English headword indexed on PlainSpell.

The verdict

“formalize” is uncommon English (frequency #54,783 among 18,613 “F” headwords), classed as a verb. The kind of spelling people second-guess.

#54,783
frequency rank, English
18,613
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To give something a definite form; to shape.

Key facts for formalize
PropertyValue
Headwordformalize
LanguageEnglish
Part of speechVerb
IPA/ˈfɔɹ.məlaɪːz/
Letters9
Frequency rank#54,783
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “formalize” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). formalize lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

formalize is uncommon English at frequency #54,783 among 18,613 “F” headwords, classed as averb, transcribed /ˈfɔɹ.məlaɪːz/. Rarity is why readers land here mid-draft. 5 senses are on record.

formalize has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From formal + -ize. The correct English form is formalize, spelled F-O-R-M-A-L-I-Z-E.

Definition

  1. 1
    To give something a definite form; to shape.
  2. 2
    To develop into a definite form.
  3. 3
    To give something a formal or official standing.
  4. 4
    To act with formality.
  5. 5
    To rigorously prove a mathematical result.

Etymology

From formal + -ize.

This word in other languages

formalizar(Español)formaliser(Français)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "formalize"?
"formalize" is spelled F-O-R-M-A-L-I-Z-E. The IPA pronunciation is /ˈfɔɹ.məlaɪːz/.
What does "formalize" mean?
As a verb, "formalize" means: To give something a definite form; to shape.
How do you pronounce "formalize"?
The IPA (International Phonetic Alphabet) transcription for "formalize" is /ˈfɔɹ.məlaɪːz/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "formalize"?
From formal + -ize. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “formalize”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is F-O-R-M-A-L-I-Z-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈfɔɹ.məlaɪːz/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list