undetermined

adj

"undetermined" is a 12-letter English headword indexed on PlainSpell.

The verdict

“undetermined” has 18 generated spelling variants in the English index at frequency #33,470. The variants make it a useful spelling check.

#33,470
frequency rank, English
1,433
“U” headwords
18
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Not determined; not settled; not decided.

Corpus desk

Index EN-undetermined · undetermined · English

undetermined · rank #33,470 · 18 variants · 0 confusables

  • FREQ-MID #33,470
  • LEN-MEGA 12 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 18 variants
  • BOOK-MID 1,433
  • PHOTO-FINISH undies

Nearest frequency peer: undies (+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 “undetermined”

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

corpus weight

What this shows “undetermined” 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
Key facts for undetermined
PropertyValue
Headwordundetermined
LanguageEnglish
Part of speechAdjective
Letters12
Frequency rank#33,470
Misspellings tracked18
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “undetermined”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).undeterminedlands 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 “undies” (#33,471), “unambiguous” (#33,468), “undulating” (#33,472). Among 1,433 “U” headwords, “undetermined” is #33,470. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 18 spelling variants around undetermined, anadjective. Corpus frequency is #33,470 among 1,433 “U” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 18 likely wrong-spelling variants for undetermined, with forms such as "nudetermined", "udnetermined", and "unddetermined". 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. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From un- + determined. The correct English form is undetermined, spelled U-N-D-E-T-E-R-M-I-N-E-D.

Definition

  1. 1
    Not determined; not settled; not decided.
  2. 2
    Not limited; not defined; indeterminate.

Etymology

From un- + determined.

This word in other languages

Common misspellings

Also misspelled as:

  • nudetermined
  • udnetermined
  • unddetermined
  • undeetrmined
  • undetemrined
  • undeterimned
  • undetermiend
  • undeterminde
  • undeterminedd
  • undeterminned
  • undetermmined
  • undetermnied
  • undeterrmined
  • undetremined
  • undettermined
  • undteermined
  • unedtermined
  • unndetermined

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of undetermined - 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.

nudetermined2udnetermined2unddetermined1undeetrmined2undetemrined2undeterimned2undetermiend2undeterminde2
Edit distance from "undetermined"

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 "undetermined"?
"undetermined" is spelled U-N-D-E-T-E-R-M-I-N-E-D.
What does "undetermined" mean?
As an adjective, "undetermined" means: Not determined; not settled; not decided.
What are common misspellings of "undetermined"?
Common misspellings include "nudetermined", "udnetermined", "unddetermined", "undeetrmined", "undetemrined". The correct spelling is "undetermined".
What is the origin of the word "undetermined"?
From un- + determined. 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 "undetermined", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 12 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (18 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list