deharden

verb

"deharden" is a 8-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To make or become less hard (resistant to pressure).

Corpus desk

Index EN-deharden · deharden · English

deharden · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 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 deharden
PropertyValue
Headworddeharden
LanguageEnglish
Part of speechVerb
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “deharden” in English

dehardensits 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

deharden is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. Gloss: "To make or become less hard (resistant to pressure).".

Zero misspellings are on record for deharden in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From de- + harden. The correct English form is deharden, spelled D-E-H-A-R-D-E-N.

Definition

  1. 1
    To make or become less hard (resistant to pressure).

Recorded use

Wiktionary examples

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

  1. It is possible by careful adjustment of concentrations to deharden the gelatine and cut down any obnoxious soaking periods to convenient times.
  2. Below freezing winter temperatures must last long enough for the tree to begin the dehardening process necessary for the beginning of sap production; should this period become too short, tree physiology and vigor could be affected which would reduce sap production.

Etymology

From de- + harden.

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 "deharden"?
"deharden" is spelled D-E-H-A-R-D-E-N.
What does "deharden" mean?
As a verb, "deharden" means: To make or become less hard (resistant to pressure).
What is the origin of the word "deharden"?
From de- + harden. 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