unf

intj

"unf" is a 3-letter English headword indexed on PlainSpell.

The verdict

“unf” is uncommon English (frequency #68,722 among 23,789 “U” headwords), classed as an interjection. The kind of spelling people second-guess.

#68,722
frequency rank, English
23,789
“U” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Inarticulate grunt of desire issued upon sighting someone sexually attractive, or made in response to a spasm of pleasure during sexual intercourse.

Key facts for unf
PropertyValue
Headwordunf
LanguageEnglish
Part of speechInterjection
Letters3
Frequency rank#68,722
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “unf” 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). unf lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

unf is uncommon English at frequency #68,722 among 23,789 “U” headwords, classed as aninterjection. Rarity is why readers land here mid-draft. Gloss: "Inarticulate grunt of desire issued upon sighting someone sexually attractive, or made in response to a spasm of pleasure during sexual intercourse.".

Zero misspellings are on record for unf in our index, since its letter sequence doesn't invite the usual edit-distance slips. No confusable counterpart is on file for this word, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: Imitative. The correct English form is unf, spelled U-N-F.

Definition

  1. 1
    Inarticulate grunt of desire issued upon sighting someone sexually attractive, or made in response to a spasm of pleasure during sexual intercourse.

Etymology

Imitative.

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 "unf"?
"unf" is spelled U-N-F.
What does "unf" mean?
As an interjection, "unf" means: Inarticulate grunt of desire issued upon sighting someone sexually attractive, or made in response to a spasm of pleasure during sexual intercourse.
What is the origin of the word "unf"?
Imitative. 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 “unf”

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

  • The one correct English spelling is U-N-F - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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