alt

/ɔːlt/

//ɔːlt// noun

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

The verdict

“alt” is a regularly-used English word, ranked #9,434 in English word frequency and used as a noun.

#9,434
frequency rank, English
3
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Of a voice or instrument, high pitch; especially, the octave above the top line of the treble stave.

Visual similarity to commonly confused words

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

alt vs as
33% similar
alt vs at
67% similar
alt vs an
33% similar

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

Key facts for alt
PropertyValue
Headwordalt
LanguageEnglish
Part of speechNoun
IPA/ɔːlt/
Letters3
Frequency rank#9,434
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “alt” 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). alt 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 alt is 3 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ɔːlt/. Corpus data places it at rank #9,434 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

alt has no tracked misspelling variants, and the word's spelling is regular enough that our generator found nothing worth flagging. It also participates in 20 confusable-pair relationships, "as", "at", "an", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Latin altus (“high”). Doublet of old and alto. The correct English form is alt, spelled A-L-T.

Definition

  1. 1
    Of a voice or instrument, high pitch; especially, the octave above the top line of the treble stave.
  2. 2
    A state of excitement, a heightened emotional condition.

Etymology

From Latin altus (“high”). Doublet of old and alto.

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 "alt"?
"alt" is spelled A-L-T. The IPA pronunciation is /ɔːlt/.
What does "alt" mean?
As a noun, "alt" means: Of a voice or instrument, high pitch; especially, the octave above the top line of the treble stave.
What words are commonly confused with "alt"?
"alt" is commonly confused with "as", "at", "an". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "alt"?
The IPA (International Phonetic Alphabet) transcription for "alt" is /ɔːlt/. 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 "alt"?
From Latin altus (“high”). Doublet of old and alto. 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 “alt”

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

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