underdone

adj

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

The verdict

“underdone” is uncommon English (outside the top frequency list), classed as an adjective. 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) - insufficiently cooked; undercooked

Corpus desk

Index EN-underdone · underdone · English

underdone · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 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 underdone
PropertyValue
Headwordunderdone
LanguageEnglish
Part of speechAdjective
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “underdone” in English

underdonesits 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

underdone is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "insufficiently cooked; undercooked".

Our edit-distance generator produced no likely misspellings for underdone, 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 under- + done. The correct English form is underdone, spelled U-N-D-E-R-D-O-N-E.

Definition

  1. 1
    insufficiently cooked; undercooked

Recorded use

Wiktionary example

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

  1. ‘Now,’ he turned back to the menu, ‘I myself will accompany Mademoiselle with the caviar, but then I would like a very small tournedos, underdone, with sauce Béarnaise and a cœur d’artichaut.[…]’

Etymology

From under- + done.

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 "underdone"?
"underdone" is spelled U-N-D-E-R-D-O-N-E.
What does "underdone" mean?
As an adjective, "underdone" means: insufficiently cooked; undercooked
What is the origin of the word "underdone"?
From under- + done. 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