undated

/ʌnˈdeɪtɪd/

//ʌnˈdeɪtɪd// adj

"undated" is a 7-letter English headword indexed on PlainSpell.

The verdict

“undated” is a moderately-common English word, ranked #27,686 in English word frequency and used as an adjective.

#27,686
frequency rank, English
7
letters
10
tracked misspellings
10
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Not marked with a date.

Visual similarity to commonly confused words

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

undated vs united
71% similar
undated vs update
71% similar
undated vs updated
86% similar

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

Key facts for undated
PropertyValue
Headwordundated
LanguageEnglish
Part of speechAdjective
IPA/ʌnˈdeɪtɪd/
Letters7
Frequency rank#27,686
Misspellings tracked10
Confusable pairs10
SourceWiktionary (kaikki.org)

Where “undated” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for undated is 7 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ʌnˈdeɪtɪd/. Corpus data places it at rank #27,686 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 10 likely wrong-spelling variants for undated, with forms such as "nudated", "udnated", and "unadted". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 10 confusable-pair relationships, "united", "update", "updated", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From un- + dated. The correct English form is undated, spelled U-N-D-A-T-E-D.

Definition

  1. 1
    Not marked with a date.
  2. 2
    Not out of fashion.

Etymology

From un- + dated.

This word in other languages

Common misspellings

Also misspelled as: nudated,udnated,unadted,undaetd,undatde,undatedd,undatted,unddated,undtaed,unndated

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of undated - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

nudated2udnated2unadted2undaetd2undatde2undatedd1undatted1unddated1
Edit distance from "undated"

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 "undated"?
"undated" is spelled U-N-D-A-T-E-D. The IPA pronunciation is /ʌnˈdeɪtɪd/.
What does "undated" mean?
As an adjective, "undated" means: Not marked with a date.
What words are commonly confused with "undated"?
"undated" is commonly confused with "united", "update", "updated". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "undated"?
The IPA (International Phonetic Alphabet) transcription for "undated" is /ʌnˈdeɪtɪd/. 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 "undated"?
From un- + dated. 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.

Using “undated”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is U-N-D-A-T-E-D - every other letter order is a misspelling in standard orthography.
  • Say it as /ʌnˈdeɪtɪd/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “united” - see the side-by-side comparison. undated vs united
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list