prolongment

/pɹəˈlɒŋmənt/

//pɹəˈlɒŋmənt// noun

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

The verdict

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

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The act of prolonging, or the state of being prolonged; prolongation.

Corpus desk

Index EN-prolongment · prolongment · English

prolongment · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "P" 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 prolongment
PropertyValue
Headwordprolongment
LanguageEnglish
Part of speechNoun
IPA/pɹəˈlɒŋmənt/
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “prolongment” in English

prolongmentfalls 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

prolongment is uncommon English outside the top frequency list, classed as anoun, transcribed /pɹəˈlɒŋmənt/. Rarity is why readers land here mid-draft. Gloss: "The act of prolonging, or the state of being prolonged; prolongation.".

Zero misspellings are on record for prolongment in our index, since its letter sequence doesn't invite the usual edit-distance slips. No confusable counterpart is on file for this word, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From prolong + -ment. The correct English form is prolongment, spelled P-R-O-L-O-N-G-M-E-N-T.

Definition

  1. 1
    The act of prolonging, or the state of being prolonged; prolongation.

Etymology

From prolong + -ment.

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 "prolongment"?
"prolongment" is spelled P-R-O-L-O-N-G-M-E-N-T. The IPA pronunciation is /pɹəˈlɒŋmənt/.
What does "prolongment" mean?
As a noun, "prolongment" means: The act of prolonging, or the state of being prolonged; prolongation.
How do you pronounce "prolongment"?
The IPA (International Phonetic Alphabet) transcription for "prolongment" is /pɹəˈlɒŋmənt/. 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 "prolongment"?
From prolong + -ment. 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