unpredictable

adj

"unpredictable" is a 13-letter English headword indexed on PlainSpell.

The verdict

“unpredictable” is a moderately-common English word, ranked #11,631 in English word frequency and used as an adjective.

#11,631
frequency rank, English
13
letters
21
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Unable to be predicted.

Key facts for unpredictable
PropertyValue
Headwordunpredictable
LanguageEnglish
Part of speechAdjective
Letters13
Frequency rank#11,631
Misspellings tracked21
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “unpredictable” 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). unpredictable 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 unpredictable is 13 letters long, classified as an adjective. Corpus data places it at rank #11,631 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Unable to be predicted.".

Our generated misspelling index lists 21 likely wrong-spelling variants for unpredictable, with forms such as "nupredictable", "unnpredictable", and "unperdictable". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. No confusable counterpart is on file for this word, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From un- + predictable. The correct English form is unpredictable, spelled U-N-P-R-E-D-I-C-T-A-B-L-E.

Definition

  1. 1
    Unable to be predicted.

Etymology

From un- + predictable.

This word in other languages

Common misspellings

Also misspelled as: nupredictable,unnpredictable,unperdictable,unppredictable,unprdeictable,unpredcitable,unpreddictable,unpredicatble,unpredicctable,unpredictabble,unpredictabel,unpredictablle,unpredictalbe,unpredictbale,unpredictible,unpredicttable,unpreditcable,unpreidctable,unprredictable,unrpedictable,upnredictable

Misspelling Pattern Breakdown

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

nupredictable2unnpredictable1unperdictable2unppredictable1unprdeictable2unpredcitable2unpreddictable1unpredicatble2
Edit distance from "unpredictable"

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 "unpredictable"?
"unpredictable" is spelled U-N-P-R-E-D-I-C-T-A-B-L-E.
What does "unpredictable" mean?
As an adjective, "unpredictable" means: Unable to be predicted.
What are common misspellings of "unpredictable"?
Common misspellings include "nupredictable", "unnpredictable", "unperdictable", "unppredictable", "unprdeictable". The correct spelling is "unpredictable".
What is the origin of the word "unpredictable"?
From un- + predictable. 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 “unpredictable”

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

  • The one correct English spelling is U-N-P-R-E-D-I-C-T-A-B-L-E - 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