undoubted

/ʌnˈdaʊtɪd/

//ʌnˈdaʊtɪd// adj

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

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

The verdict

“undoubted” has 13 generated spelling variants in the English index at frequency #46,834. The variants make it a useful spelling check.

#46,834
frequency rank, English
1,433
“U” headwords
13
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Without doubt; without question; certain.

Corpus desk

Index EN-undoubted · undoubted · English

undoubted · rank #46,834 · 13 variants · 2 confusables

  • FREQ-MID #46,834
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 2 pairs
  • VAR-HIGH 13 variants
  • BOOK-MID 1,433
  • PHOTO-FINISH underwritten

Nearest frequency peer: underwritten (-1 rank slots)

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.

Rank peers near misspelling magnet “undoubted”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “undoubted” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

undoubted vs undoubtedly
82% similar
undoubted vs undaunted
78% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for undoubted
PropertyValue
Headwordundoubted
LanguageEnglish
Part of speechAdjective
IPA/ʌnˈdaʊtɪd/
Letters9
Frequency rank#46,834
Misspellings tracked13
Confusable pairs2
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “undoubted”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).undoubtedlands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “underwritten” (#46,833), “unpatriotic” (#46,835), “uncivilized” (#46,832). Among 1,433 “U” headwords, “undoubted” is #46,834. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 13 spelling variants around undoubted (IPA /ʌnˈdaʊtɪd/), anadjective. Corpus frequency is #46,834 among 1,433 “U” headwords. Dominant gloss: "Without doubt; without question; certain.".

Our generated misspelling index lists 13 likely wrong-spelling variants for undoubted, with forms such as "nudoubted", "udnoubted", and "unddoubted". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 2 confusable-pair relationships, "undoubtedly", "undaunted", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English undouted, undoutid, equivalent to un- + doubted. The correct English form is undoubted, spelled U-N-D-O-U-B-T-E-D.

Definition

  1. 1
    Without doubt; without question; certain.

Recorded use

Wiktionary examples

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

  1. His undoubted skill meant that he was in much demand.
  2. More should I question thee, and more I must, Though more to know could not be more to trust, From whence thou camest, how tended on: but rest Unquestion’d welcome and undoubted blest.

Etymology

From Middle English undouted, undoutid, equivalent to un- + doubted.

Synonyms

uncontestedunquestionedundisputeddoubtless

Common misspellings

Also misspelled as:

  • nudoubted
  • udnoubted
  • unddoubted
  • undobuted
  • undoubbted
  • undoubetd
  • undoubtde
  • undoubtedd
  • undoubtted
  • undoutbed
  • unduobted
  • unndoubted
  • unodubted

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of undoubted - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

nudoubted2udnoubted2unddoubted1undobuted2undoubbted1undoubetd2undoubtde2undoubtedd1
Edit distance from "undoubted"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "undoubted"?
"undoubted" is spelled U-N-D-O-U-B-T-E-D. The IPA pronunciation is /ʌnˈdaʊtɪd/.
What does "undoubted" mean?
As an adjective, "undoubted" means: Without doubt; without question; certain.
What words are commonly confused with "undoubted"?
"undoubted" is commonly confused with "undoubtedly", "undaunted". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "undoubted"?
The IPA (International Phonetic Alphabet) transcription for "undoubted" is /ʌnˈdaʊtɪd/. 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 "undoubted"?
From Middle English undouted, undoutid, equivalent to un- + doubted. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "undoubted", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

velodrome#46,844Tillerson#46,817waveguide#46,855thankless#46,812

Similar misspelling depth

Headwords with a similar count of attested misspellings (13 here; floor ≥5).

washable13 variantswomanizer13 variantsstoreroom13 variantswrenches13 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list