uncompress

verb

By · According to Wiktionary data (CC BY-SA) ·

"uncompress" is a 10-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To restore a compressed file to its normal size.

Corpus desk

Index EN-uncompress · uncompress · English

uncompress · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "U" 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 uncompress
PropertyValue
Headworduncompress
LanguageEnglish
Part of speechVerb
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “uncompress” in English

uncompressranks 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

uncompress is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. Gloss: "To restore a compressed file to its normal size.".

The misspelling generator found no plausible variants for uncompress, a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From un- + compress. The correct English form is uncompress, spelled U-N-C-O-M-P-R-E-S-S.

Definition

  1. 1
    To restore a compressed file to its normal size.

Etymology

From un- + compress.

Synonyms

decompress

Antonyms

compress

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 "uncompress"?
"uncompress" is spelled U-N-C-O-M-P-R-E-S-S.
What does "uncompress" mean?
As a verb, "uncompress" means: To restore a compressed file to its normal size.
What is the origin of the word "uncompress"?
From un- + compress. 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