indispensible

adj

"indispensible" is a 13-letter English headword indexed on PlainSpell.

The verdict

“indispensible” is uncommon English (frequency #94,990 among 2,140 “I” headwords), classed as an adjective. The kind of spelling people second-guess.

#94,990
frequency rank, English
2,140
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Misspelling of indispensable.

Corpus desk

Index EN-indispensible · indispensible · English

indispensible · rank #94,990 · 0 variants · 0 confusables

  • FREQ-RARE #94,990
  • LEN-MEGA 13 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH instal

Nearest frequency peer: instal (+3 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 “indispensible”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for indispensible
PropertyValue
Headwordindispensible
LanguageEnglish
Part of speechAdjective
Letters13
Frequency rank#94,990
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “indispensible” 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).indispensiblefalls 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: “instal” (#94,993), “instantiation” (#94,994), “immutability” (#94,985). Among 2,140 “I” headwords, “indispensible” is #94,990. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

indispensible is uncommon English at frequency #94,990 among 2,140 “I” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Misspelling of indispensable.".

No misspelling variants are generated for indispensible in our index, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

This entry's etymology isn't recorded, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is indispensible, spelled I-N-D-I-S-P-E-N-S-I-B-L-E.

Definition

  1. 1
    Misspelling of indispensable.

Recorded use

Wiktionary example

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

  1. However, whereas Van Bendegem and Van Kerkhove conclude by saying that experimental methods and an empirical basis form an indispensible backdrop for mathematical practice, Baker goes the other way and says that the fact that mathematicians use experiments in the context of discovery is “compatible with the view that mathematics is a priori and deductive…

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 "indispensible"?
"indispensible" is spelled I-N-D-I-S-P-E-N-S-I-B-L-E.
What does "indispensible" mean?
As an adjective, "indispensible" means: Misspelling of indispensable.
What language does "indispensible" come from?
"indispensible" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 "indispensible", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 13 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list