unchangeable

/ʌnˈt͡ʃeɪnd͡ʒəbəl/

//ʌnˈt͡ʃeɪnd͡ʒəbəl// adj

"unchangeable" is a 12-letter English headword indexed on PlainSpell.

The verdict

“unchangeable” is uncommon English (frequency #59,093 among 1,433 “U” headwords), classed as an adjective. The kind of spelling people second-guess.

#59,093
frequency rank, English
1,433
“U” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Not changeable; incapable of being changed or of changing; immutable.

Corpus desk

Index EN-unchangeable · unchangeable · English

unchangeable · rank #59,093 · 0 variants · 0 confusables

  • FREQ-RARE #59,093
  • LEN-MEGA 12 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,433
  • PHOTO-FINISH unforced

Nearest frequency peer: unforced (+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 “unchangeable”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for unchangeable
PropertyValue
Headwordunchangeable
LanguageEnglish
Part of speechAdjective
IPA/ʌnˈt͡ʃeɪnd͡ʒəbəl/
Letters12
Frequency rank#59,093
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “unchangeable” 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).unchangeablefalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “unforced” (#59,094), “urethane” (#59,096), “truism” (#59,087). Among 1,433 “U” headwords, “unchangeable” is #59,093. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

unchangeable is uncommon English at frequency #59,093 among 1,433 “U” headwords, classed as anadjective, transcribed /ʌnˈt͡ʃeɪnd͡ʒəbəl/. Rarity is why readers land here mid-draft. Gloss: "Not changeable; incapable of being changed or of changing; immutable.".

We couldn't generate a plausible misspelling set for unchangeable, since its letter pattern doesn't lend itself to common typo substitutions. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: Inherited from Middle English unchaungeable; equivalent to un- + changeable. The correct English form is unchangeable, spelled U-N-C-H-A-N-G-E-A-B-L-E.

Definition

  1. 1
    Not changeable; incapable of being changed or of changing; immutable.

Recorded use

Wiktionary examples

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

  1. Less than 15 minutes in, he noted that he had signed an executive order declaring that the federal government will only recognize two unchangeable sexes, male and female, and another order banning trans women from participating in women’s sports.
  2. Psychologists call this the entity theory of intelligence, which is simply the belief that ability is innate and unchangeable.

Etymology

Inherited from Middle English unchaungeable; equivalent to un- + changeable.

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 "unchangeable"?
"unchangeable" is spelled U-N-C-H-A-N-G-E-A-B-L-E. The IPA pronunciation is /ʌnˈt͡ʃeɪnd͡ʒəbəl/.
What does "unchangeable" mean?
As an adjective, "unchangeable" means: Not changeable; incapable of being changed or of changing; immutable.
How do you pronounce "unchangeable"?
The IPA (International Phonetic Alphabet) transcription for "unchangeable" is /ʌnˈt͡ʃeɪnd͡ʒəbəl/. 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 "unchangeable"?
Inherited from Middle English unchaungeable; equivalent to un- + changeable. 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 "unchangeable", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 12 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list