disillusion

/dɪs.ɪˈluːʒən/

//dɪs.ɪˈluːʒən// verb

"disillusion" is a 11-letter English headword indexed on PlainSpell.

The verdict

“disillusion” is uncommon English (frequency #57,344 among 3,470 “D” headwords), classed as a verb. The kind of spelling people second-guess.

#57,344
frequency rank, English
3,470
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To free or deprive of illusion; to disenchant.

Corpus desk

Index EN-disillusion · disillusion · English

disillusion · rank #57,344 · 0 variants · 0 confusables

  • FREQ-RARE #57,344
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH disclaim

Nearest frequency peer: disclaim (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “disillusion”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “disillusion” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for disillusion
PropertyValue
Headworddisillusion
LanguageEnglish
Part of speechVerb
IPA/dɪs.ɪˈluːʒən/
Letters11
Frequency rank#57,344
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “disillusion” in English

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

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “disclaim” (#57,343), “distinctiveness” (#57,345), “Dinh” (#57,342). Among 3,470 “D” headwords, “disillusion” is #57,344. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

disillusion is uncommon English at frequency #57,344 among 3,470 “D” headwords, classed as averb, transcribed /dɪs.ɪˈluːʒən/. Rarity is why readers land here mid-draft. Gloss: "To free or deprive of illusion; to disenchant.".

Zero misspellings are on record for disillusion in our index, typically a sign the spelling maps closely to how the word sounds. This headword has no recorded confusable partner, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From dis- + illusion: literally, the removal or undoing of illusion. The correct English form is disillusion, spelled D-I-S-I-L-L-U-S-I-O-N.

Definition

  1. 1
    To free or deprive of illusion; to disenchant.

Recorded use

Wiktionary example

These source excerpts show how disillusion appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. To disillusion a man is not to break him, but to open his eyes to the machinery behind the curtain.

Etymology

From dis- + illusion: literally, the removal or undoing of illusion.

This word in other languages

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 "disillusion"?
"disillusion" is spelled D-I-S-I-L-L-U-S-I-O-N. The IPA pronunciation is /dɪs.ɪˈluːʒən/.
What does "disillusion" mean?
As a verb, "disillusion" means: To free or deprive of illusion; to disenchant.
How do you pronounce "disillusion"?
The IPA (International Phonetic Alphabet) transcription for "disillusion" is /dɪs.ɪˈluːʒən/. 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 "disillusion"?
From dis- + illusion: literally, the removal or undoing of illusion. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "disillusion", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list