decongest

/diːkənˈdʒɛst/

//diːkənˈdʒɛst// verb

"decongest" is a 9-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To free from congestion.

Corpus desk

Index EN-decongest · decongest · English

decongest · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "D" 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 decongest
PropertyValue
Headworddecongest
LanguageEnglish
Part of speechVerb
IPA/diːkənˈdʒɛst/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “decongest” in English

decongestsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

decongest is uncommon English outside the top frequency list, classed as averb, transcribed /diːkənˈdʒɛst/. Rarity is why readers land here mid-draft. Gloss: "To free from congestion.".

No generated misspelling entries exist for decongest in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From de- + congest. The correct English form is decongest, spelled D-E-C-O-N-G-E-S-T.

Definition

  1. 1
    To free from congestion.

Recorded use

Wiktionary example

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

  1. Philip Haigh argues that the discussion in a private meeting of three options to decongest Manchester's Castlefield Corridor has reinforced a perception of 'increasing secrecy' around rail planning.

Etymology

From de- + congest.

This word in other languages

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 "decongest"?
"decongest" is spelled D-E-C-O-N-G-E-S-T. The IPA pronunciation is /diːkənˈdʒɛst/.
What does "decongest" mean?
As a verb, "decongest" means: To free from congestion.
How do you pronounce "decongest"?
The IPA (International Phonetic Alphabet) transcription for "decongest" is /diːkənˈdʒɛst/. 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 "decongest"?
From de- + congest. 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