out

/aʊt/

//aʊt// adv

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

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

The verdict

“out” is in the everyday core of English, ranked #45 in English word frequency and used as an adverb.

#45
frequency rank, English
3
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Away from the inside or centre.

Visual similarity to commonly confused words

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

out vs oz
33% similar
out vs ow
33% similar
out vs ox
33% similar

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

Key facts for out
PropertyValue
Headwordout
LanguageEnglish
Part of speechAdverb
IPA/aʊt/
Letters3
Frequency rank#45
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “out” 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). out 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 out is 3 letters long, classified as an adverb, and transcribed in the International Phonetic Alphabet as /aʊt/. Corpus data places it at rank #45 in overall English word frequency, putting it firmly in the everyday core of the language. Wiktionary records 14 distinct senses for this headword, so context determines which meaning a reader should apply.

out has no tracked misspelling variants, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "oz", "ow", "ox", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English out, oute, from a combination of Old English ūt (“out”, preposition & adverb), from Proto-West Germanic *ūt, from Proto-Germanic *ūt (“out”); and Old English ūte (“outside; without”, adverb), from Proto-Germanic *ūtai (“out; outside”); b… The correct English form is out, spelled O-U-T.

Definition

  1. 1
    Away from the inside or centre.
  2. 2
    Away from, or at a distance from, some point of reference or focus.
  3. 3
    Away from, or at a distance from, some point of reference or focus.
  4. 4
    Away from, or at a distance from, some point of reference or focus.
  5. 5
    Away, or at a distance, in time (relative to, and usually after, the present or a stated event) (often preceded by a stated time period and followed by "from")
  6. 6
    Outside; not indoors.
  7. 7
    Of the ball or other playing implement, so as to pass or be situated beyond the bounds of the playing area.
  8. 8
    Into a state of non-operation or non-existence.
  9. 9
    To the end; completely; so that nothing remains.
  10. 10
    To the end; completely; so that nothing remains.
  11. 11
    Used to intensify or emphasize.
  12. 12
    Into a state of existence or visibility.
  13. 13
    Into a state of existence or visibility.
  14. 14
    So as to be disqualified from playing further by some action of a member of the opposing team (such as being stumped in cricket or a forced out in baseball).

Etymology

From Middle English out, oute, from a combination of Old English ūt (“out”, preposition & adverb), from Proto-West Germanic *ūt, from Proto-Germanic *ūt (“out”); and Old English ūte (“outside; without”, adverb), from Proto-Germanic *ūtai (“out; outside”); both from Proto-Indo-European *úd (“upwards, away”). Cognates Cognate with Scots oot (“out”), Yola out, outh, udh, ut, uth (“out”), North Frisian üt, ütj (“out”), Saterland Frisian uut (“out of”), West Frisian út (“out”), Cimbrian aus, auz (“out, outwards”), Dutch uit (“out”), German, Luxembourgish aus (“out”), Yiddish אויס (oys, “over, finished”), Danish ud (“out; outside”), Icelandic út (“out”), Norwegian Bokmål, Norwegian Nynorsk and Swedish ut (“out”), Gothic 𐌿𐍄 (ut, “out of”).

Synonyms

away

Antonyms

in

This word in other languages

fuera(Español)hors(Français)heraus(Deutsch)fora(Português)

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 "out"?
"out" is spelled O-U-T. The IPA pronunciation is /aʊt/.
What does "out" mean?
As an adverb, "out" means: Away from the inside or centre.
What words are commonly confused with "out"?
"out" is commonly confused with "oz", "ow", "ox". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "out"?
The IPA (International Phonetic Alphabet) transcription for "out" is /aʊt/. 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 "out"?
From Middle English out, oute, from a combination of Old English ūt (“out”, preposition & adverb), from Proto-West Germanic *ūt, from Proto-Germanic *ūt (“out”); and Old English ūte (“outside; without”, adverb), from Proto-Germanic *ūtai (“out; ou... 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 “out”

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

  • The one correct English spelling is O-U-T - every other letter order is a misspelling in standard orthography.
  • Say it as /aʊt/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “oz” - see the side-by-side comparison. out vs oz
  • 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