unofficial

/ʌn.əˈfɪʃ.əl/

//ʌn.əˈfɪʃ.əl// adj

"unofficial" is a 10-letter English headword indexed on PlainSpell.

The verdict

“unofficial” is a moderately-common English word, ranked #11,993 in English word frequency and used as an adjective.

#11,993
frequency rank, English
10
letters
12
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Not officially established.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

unofficial vs unofficially
83% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for unofficial
PropertyValue
Headwordunofficial
LanguageEnglish
Part of speechAdjective
IPA/ʌn.əˈfɪʃ.əl/
Letters10
Frequency rank#11,993
Misspellings tracked12
Confusable pairs1
SourceWiktionary (kaikki.org)

Where “unofficial” 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). unofficial 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 unofficial is 10 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ʌn.əˈfɪʃ.əl/. Corpus data places it at rank #11,993 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 12 likely wrong-spelling variants for unofficial, with forms such as "nuofficial", "unfoficial", and "unnofficial". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 1 confusable-pair relationship, "unofficially", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From un- + official. The correct English form is unofficial, spelled U-N-O-F-F-I-C-I-A-L.

Definition

  1. 1
    Not officially established.
  2. 2
    Not officially established.
  3. 3
    Not acting with official authority.
  4. 4
    Not listed in a national pharmacopeia etc.

Etymology

From un- + official.

Synonyms

Antonyms

This word in other languages

Common misspellings

Also misspelled as: nuofficial,unfoficial,unnofficial,unoffciial,unofficail,unofficcial,unofficiall,unofficila,unoffiical,unoficial,unofifcial,uonfficial

Misspelling Pattern Breakdown

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

nuofficial2unfoficial2unnofficial1unoffciial2unofficail2unofficcial1unofficiall1unofficila2
Edit distance from "unofficial"

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 "unofficial"?
"unofficial" is spelled U-N-O-F-F-I-C-I-A-L. The IPA pronunciation is /ʌn.əˈfɪʃ.əl/.
What does "unofficial" mean?
As an adjective, "unofficial" means: Not officially established.
What words are commonly confused with "unofficial"?
"unofficial" is commonly confused with "unofficially". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "unofficial"?
The IPA (International Phonetic Alphabet) transcription for "unofficial" is /ʌn.əˈfɪʃ.əl/. 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 "unofficial"?
From un- + official. 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 “unofficial”

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

  • The one correct English spelling is U-N-O-F-F-I-C-I-A-L - every other letter order is a misspelling in standard orthography.
  • Say it as /ʌn.əˈfɪʃ.əl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “unofficially” - see the side-by-side comparison. unofficial vs unofficially
  • 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