disequilibrium

noun

"disequilibrium" is a 14-letter English headword indexed on PlainSpell.

The verdict

“disequilibrium” is uncommon English (frequency #84,173 among 3,470 “D” headwords), classed as a noun. The kind of spelling people second-guess.

#84,173
frequency rank, English
3,470
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The loss of equilibrium or stability, especially due to an imbalance of forces.

Corpus desk

Index EN-disequilibrium · disequilibrium · English

disequilibrium · rank #84,173 · 0 variants · 0 confusables

  • FREQ-RARE #84,173
  • LEN-MEGA 14 letters
  • VOW-7 7 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH Dimond

Nearest frequency peer: Dimond (-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 “disequilibrium”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for disequilibrium
PropertyValue
Headworddisequilibrium
LanguageEnglish
Part of speechNoun
Letters14
Frequency rank#84,173
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “disequilibrium” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).disequilibriumfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “Dimond” (#84,172), “disgracefully” (#84,174), “dismally” (#84,176). Among 3,470 “D” headwords, “disequilibrium” is #84,173. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

disequilibrium is uncommon English at frequency #84,173 among 3,470 “D” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The loss of equilibrium or stability, especially due to an imbalance of forces.".

disequilibrium doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From dis- + equilibrium. The correct English form is disequilibrium, spelled D-I-S-E-Q-U-I-L-I-B-R-I-U-M.

Definition

  1. 1
    The loss of equilibrium or stability, especially due to an imbalance of forces.

Recorded use

Wiktionary example

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

  1. The world of the angelic hierarchy was an evolutionary stream of light in a steady-state, but the creation of Adam from matter disturbs that primordial steady-state; it generates the creative disequilibrium necessary for change, transformation, and evolution.

Etymology

From dis- + equilibrium.

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 "disequilibrium"?
"disequilibrium" is spelled D-I-S-E-Q-U-I-L-I-B-R-I-U-M.
What does "disequilibrium" mean?
As a noun, "disequilibrium" means: The loss of equilibrium or stability, especially due to an imbalance of forces.
What is the origin of the word "disequilibrium"?
From dis- + equilibrium. 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 "disequilibrium", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 14 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list