incompletion

noun

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

The verdict

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

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The state or quality of not being complete.

Corpus desk

Index EN-incompletion · incompletion · English

incompletion · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-5 5 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 incompletion
PropertyValue
Headwordincompletion
LanguageEnglish
Part of speechNoun
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “incompletion” in English

incompletionranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

incompletion is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.

No generated misspelling entries exist for incompletion in our index, a sign its spelling follows regular English conventions. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From in- + completion or incomplete + -ion The correct English form is incompletion, spelled I-N-C-O-M-P-L-E-T-I-O-N.

Definition

  1. 1
    The state or quality of not being complete.
  2. 2
    Something which is not completed.
  3. 3
    A forward pass which is not caught inbounds by the intended receiver.

Recorded use

Wiktionary example

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

  1. Their strong defense forced three incompletions from the other team.

Etymology

From in- + completion or incomplete + -ion

Synonyms

Antonyms

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 "incompletion"?
"incompletion" is spelled I-N-C-O-M-P-L-E-T-I-O-N.
What does "incompletion" mean?
As a noun, "incompletion" means: The state or quality of not being complete.
What is the origin of the word "incompletion"?
From in- + completion or incomplete + -ion 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