equilibrium

/ɛkwɪˈlɪbɹɪəm/

//ɛkwɪˈlɪbɹɪəm// noun

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

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

The verdict

“equilibrium” has 15 generated spelling variants in the English index at frequency #12,967. The variants make it a useful spelling check.

#12,967
frequency rank, English
2,246
“E” headwords
15
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The condition of a system in which competing influences are balanced, resulting in no net change.

Corpus desk

Index EN-equilibrium · equilibrium · English

equilibrium · rank #12,967 · 15 variants · 0 confusables

  • FREQ-MID #12,967
  • LEN-MEGA 11 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 15 variants
  • BOOK-MID 2,246
  • PHOTO-FINISH Europa

Nearest frequency peer: Europa (+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.

Rank peers near misspelling magnet “equilibrium”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “equilibrium” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for equilibrium
PropertyValue
Headwordequilibrium
LanguageEnglish
Part of speechNoun
IPA/ɛkwɪˈlɪbɹɪəm/
Letters11
Frequency rank#12,967
Misspellings tracked15
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “equilibrium”

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

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “Europa” (#12,968), “emerald” (#12,965), “Evelyn” (#12,969). Among 2,246 “E” headwords, “equilibrium” is #12,967. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around equilibrium (IPA /ɛkwɪˈlɪbɹɪəm/), anoun. Corpus frequency is #12,967 among 2,246 “E” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 15 likely wrong-spelling variants for equilibrium, with forms such as "eqiulibrium", "eqquilibrium", and "equiilbrium". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. No close-neighbour confusable shows up for this headword in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From Latin aequilībrium, from equal + lībra (“balance”). The correct English form is equilibrium, spelled E-Q-U-I-L-I-B-R-I-U-M.

Definition

  1. 1
    The condition of a system in which competing influences are balanced, resulting in no net change.
  2. 2
    Mental balance.
  3. 3
    The state of a reaction in which the rates of the forward and reverse reactions are the same.
  4. 4
    The state of a body at rest or in uniform motion in which the resultant of all forces on it is zero.

Recorded use

Wiktionary examples

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

  1. To Hydroſtaticks belong whatever relates to the Gravities and Equilibria of Liquors; with the Art of weighing Bodies in Water, in order to eſtimate the ſpecifick Gravities.
  2. 1999, The Matrix, Agent Smith speech Every mammal on this planet instinctively develops a natural equilibrium with the surrounding environment but you humans do not. You move to an area and you multiply and multiply until every natural resource is consumed and the only way you can survive is to spread to another area. There is another organism on this pla…

Etymology

From Latin aequilībrium, from equal + lībra (“balance”).

This word in other languages

equilibrio(Español)équilibre(Français)Gleichgewicht(Deutsch)equilíbrio(Português)

Common misspellings

Also misspelled as:

  • eqiulibrium
  • eqquilibrium
  • equiilbrium
  • equilbirium
  • equilibbrium
  • equilibirum
  • equilibrimu
  • equilibriumm
  • equilibrrium
  • equilibruim
  • equilirbium
  • equillibrium
  • equliibrium
  • euqilibrium
  • qeuilibrium

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of equilibrium - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

eqiulibrium2eqquilibrium1equiilbrium2equilbirium2equilibbrium1equilibirum2equilibrimu2equilibriumm1
Edit distance from "equilibrium"

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 "equilibrium"?
"equilibrium" is spelled E-Q-U-I-L-I-B-R-I-U-M. The IPA pronunciation is /ɛkwɪˈlɪbɹɪəm/.
What does "equilibrium" mean?
As a noun, "equilibrium" means: The condition of a system in which competing influences are balanced, resulting in no net change.
What are common misspellings of "equilibrium"?
Common misspellings include "eqiulibrium", "eqquilibrium", "equiilbrium", "equilbirium", "equilibbrium". The correct spelling is "equilibrium".
How do you pronounce "equilibrium"?
The IPA (International Phonetic Alphabet) transcription for "equilibrium" is /ɛkwɪˈlɪbɹɪəm/. 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 "equilibrium"?
From Latin aequilībrium, from equal + lībra (“balance”). 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 "equilibrium", not the corpus desk frequency band.

Same letter count

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

degradation#12,955intercourse#12,997segregation#13,057ventilation#13,075

Similar misspelling depth

Headwords with a similar count of attested misspellings (15 here; floor ≥5).

exhausting15 variantsfascinated15 variantscultivated15 variantsLancashire15 variants

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

Source: FrequencyWords open word-frequency list