noncompletion

noun

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

The verdict

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

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Lack of completion; failure to finish.

Corpus desk

Index EN-noncompletion · noncompletion · English

noncompletion · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "N" 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 noncompletion
PropertyValue
Headwordnoncompletion
LanguageEnglish
Part of speechNoun
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “noncompletion” in English

noncompletionfalls 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

noncompletion is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Lack of completion; failure to finish.".

We couldn't generate a plausible misspelling set for noncompletion, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From non- + completion. The correct English form is noncompletion, spelled N-O-N-C-O-M-P-L-E-T-I-O-N.

Definition

  1. 1
    Lack of completion; failure to finish.

Recorded use

Wiktionary example

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

  1. Noncompletion of the project would jeopardise the whole company.

Etymology

From non- + completion.

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 "noncompletion"?
"noncompletion" is spelled N-O-N-C-O-M-P-L-E-T-I-O-N.
What does "noncompletion" mean?
As a noun, "noncompletion" means: Lack of completion; failure to finish.
What is the origin of the word "noncompletion"?
From non- + completion. 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