indecomposable

/ˌɪndiːkəmˈpəʊzəbəl/

//ˌɪndiːkəmˈpəʊzəbəl// adj

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

The verdict

“indecomposable” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
14
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Not decomposable: unable to be decomposed.

Corpus desk

Index EN-indecomposable · indecomposable · English

indecomposable · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 14 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "I" thin
  • PHOTO-UNK Peer pending

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.

Key facts for indecomposable
PropertyValue
Headwordindecomposable
LanguageEnglish
Part of speechAdjective
IPA/ˌɪndiːkəmˈpəʊzəbəl/
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “indecomposable” in English

indecomposablefalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

indecomposable is uncommon English outside the top frequency list, classed as anadjective, transcribed /ˌɪndiːkəmˈpəʊzəbəl/. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for indecomposable, typically a sign the spelling maps closely to how the word sounds. Our dataset records no confusable match here, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From in- + decomposable. The correct English form is indecomposable, spelled I-N-D-E-C-O-M-P-O-S-A-B-L-E.

Definition

  1. 1
    Not decomposable: unable to be decomposed.
  2. 2
    Not writeable as the direct sum of two non-trivial modules.

Etymology

From in- + decomposable.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "indecomposable"?
"indecomposable" is spelled I-N-D-E-C-O-M-P-O-S-A-B-L-E. The IPA pronunciation is /ˌɪndiːkəmˈpəʊzəbəl/.
What does "indecomposable" mean?
As an adjective, "indecomposable" means: Not decomposable: unable to be decomposed.
How do you pronounce "indecomposable"?
The IPA (International Phonetic Alphabet) transcription for "indecomposable" is /ˌɪndiːkəmˈpəʊzəbəl/. 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 "indecomposable"?
From in- + decomposable. 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.

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

Source: FrequencyWords open word-frequency list