unimaginable

/ˌʌnɪˈmædʒɪnəbəl/

//ˌʌnɪˈmædʒɪnəbəl// adj

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

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

The verdict

“unimaginable” has 18 generated spelling variants in the English index at frequency #24,045. The variants make it a useful spelling check.

#24,045
frequency rank, English
1,433
“U” headwords
18
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Unable to be imagined; inconceivable or mind-boggling; beyond belief.

Corpus desk

Index EN-unimaginable · unimaginable · English

unimaginable · rank #24,045 · 18 variants · 0 confusables

  • FREQ-MID #24,045
  • LEN-MEGA 12 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 18 variants
  • BOOK-MID 1,433
  • PHOTO-FINISH unifying

Nearest frequency peer: unifying (-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 “unimaginable”

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

corpus weight

What this shows “unimaginable” 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 unimaginable
PropertyValue
Headwordunimaginable
LanguageEnglish
Part of speechAdjective
IPA/ˌʌnɪˈmædʒɪnəbəl/
Letters12
Frequency rank#24,045
Misspellings tracked18
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “unimaginable”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).unimaginablelands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “unifying” (#24,044), “unites” (#24,046), “unhappiness” (#24,043). Among 1,433 “U” headwords, “unimaginable” is #24,045. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 18 spelling variants around unimaginable (IPA /ˌʌnɪˈmædʒɪnəbəl/), anadjective. Corpus frequency is #24,045 among 1,433 “U” headwords. Dominant gloss: "Unable to be imagined; inconceivable or mind-boggling; beyond belief.".

Our generated misspelling index lists 18 likely wrong-spelling variants for unimaginable, with forms such as "nuimaginable", "uinmaginable", and "uniamginable". 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 is not paired with a close-neighbour confusable in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From un- + imagine + -able. The correct English form is unimaginable, spelled U-N-I-M-A-G-I-N-A-B-L-E.

Definition

  1. 1
    Unable to be imagined; inconceivable or mind-boggling; beyond belief.

Recorded use

Wiktionary example

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

  1. But at the microlevel it consists of an unimaginable number of atoms connected by springy chemical bonds, all jiggling around at a rate that even our fastest supercomputer might envy.

Etymology

From un- + imagine + -able.

Antonyms

imaginable

This word in other languages

inimaginable(Français)unvorstellbar(Deutsch)impensável(Português)

Common misspellings

Also misspelled as:

  • nuimaginable
  • uinmaginable
  • uniamginable
  • unimagginable
  • unimagianble
  • unimaginabble
  • unimaginabel
  • unimaginablle
  • unimaginalbe
  • unimaginbale
  • unimaginible
  • unimaginnable
  • unimagniable
  • unimaignable
  • unimgainable
  • unimmaginable
  • unmiaginable
  • unnimaginable

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of unimaginable - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

nuimaginable2uinmaginable2uniamginable2unimagginable1unimagianble2unimaginabble1unimaginabel2unimaginablle1
Edit distance from "unimaginable"

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 "unimaginable"?
"unimaginable" is spelled U-N-I-M-A-G-I-N-A-B-L-E. The IPA pronunciation is /ˌʌnɪˈmædʒɪnəbəl/.
What does "unimaginable" mean?
As an adjective, "unimaginable" means: Unable to be imagined; inconceivable or mind-boggling; beyond belief.
What are common misspellings of "unimaginable"?
Common misspellings include "nuimaginable", "uinmaginable", "uniamginable", "unimagginable", "unimagianble". The correct spelling is "unimaginable".
How do you pronounce "unimaginable"?
The IPA (International Phonetic Alphabet) transcription for "unimaginable" is /ˌʌnɪˈmædʒɪnəbəl/. 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 "unimaginable"?
From un- + imagine + -able. 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 "unimaginable", not the corpus desk frequency band.

Same letter count

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

abbreviation#24,070snowboarding#24,002bodybuilding#24,097conductivity#24,121

Similar misspelling depth

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

rollercoaster18 variantspreventable18 variantsKyrgyzstan18 variantsratification18 variants

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

Source: FrequencyWords open word-frequency list