undeveloped

adj

"undeveloped" is a 11-letter English headword indexed on PlainSpell.

The verdict

“undeveloped” is a moderately-common English word, ranked #25,242 in English word frequency and used as an adjective.

#25,242
frequency rank, English
11
letters
16
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Not developed or used.

Key facts for undeveloped
PropertyValue
Headwordundeveloped
LanguageEnglish
Part of speechAdjective
Letters11
Frequency rank#25,242
Misspellings tracked16
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “undeveloped” 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). undeveloped 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 undeveloped is 11 letters long, classified as an adjective. Corpus data places it at rank #25,242 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 16 likely wrong-spelling variants for undeveloped, with forms such as "nudeveloped", "udneveloped", and "unddeveloped". 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. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From un- + developed. The correct English form is undeveloped, spelled U-N-D-E-V-E-L-O-P-E-D.

Definition

  1. 1
    Not developed or used.
  2. 2
    not built on, unbuilt; not ready for building on
  3. 3
    lagging behind others, especially in economic or social matters

Etymology

From un- + developed.

Antonyms

This word in other languages

Common misspellings

Also misspelled as: nudeveloped,udneveloped,unddeveloped,undeevloped,undevelloped,undeveloepd,undevelopde,undevelopedd,undevelopped,undevelpoed,undeveolped,undevleoped,undevveloped,undveeloped,unedveloped,unndeveloped

Misspelling Pattern Breakdown

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

nudeveloped2udneveloped2unddeveloped1undeevloped2undevelloped1undeveloepd2undevelopde2undevelopedd1
Edit distance from "undeveloped"

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 "undeveloped"?
"undeveloped" is spelled U-N-D-E-V-E-L-O-P-E-D.
What does "undeveloped" mean?
As an adjective, "undeveloped" means: Not developed or used.
What are common misspellings of "undeveloped"?
Common misspellings include "nudeveloped", "udneveloped", "unddeveloped", "undeevloped", "undevelloped". The correct spelling is "undeveloped".
What is the origin of the word "undeveloped"?
From un- + developed. 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 “undeveloped”

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

  • The one correct English spelling is U-N-D-E-V-E-L-O-P-E-D - every other letter order is a misspelling in standard orthography.
  • 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