unpredictable

adj

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

The verdict

“unpredictable” has 21 generated spelling variants in the English index at frequency #11,631. The variants make it a useful spelling check.

#11,631
frequency rank, English
1,433
“U” headwords
21
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Unable to be predicted.

Corpus desk

Index EN-unpredictable · unpredictable · English

unpredictable · rank #11,631 · 21 variants · 0 confusables

  • FREQ-MID #11,631
  • LEN-MEGA 13 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 21 variants
  • BOOK-MID 1,433
  • PHOTO-FINISH unanimous

Nearest frequency peer: unanimous (-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 “unpredictable”

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

corpus weight

What this shows “unpredictable” 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 unpredictable
PropertyValue
Headwordunpredictable
LanguageEnglish
Part of speechAdjective
Letters13
Frequency rank#11,631
Misspellings tracked21
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “unpredictable”

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).unpredictablelands here:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “unanimous” (#11,630), “urging” (#11,632), “tying” (#11,629). Among 1,433 “U” headwords, “unpredictable” is #11,631. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 21 spelling variants around unpredictable, anadjective. Corpus frequency is #11,631 among 1,433 “U” headwords. Dominant gloss: "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.

Recorded use

Wiktionary examples

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

  1. It has, therefore, always been a major problem for South African railways to cater adequately for this unpredictable city; three stations have had to be built on the present site during the last fifty years.
  2. Sharks are not unpredictable; for the most part, they do exactly what an apex predator is expected to do.

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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "unpredictable", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 13 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (21 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list