Meanings
alt1
- uncountableentertainmentOf a voice or instrument, high pitch; especially, the octave above the top line of the treble stave.First known use 16th c.
The duet was in alt; one stormed, the other half crying, half scolding, made up in volubility what her aunt possessed in authority, and it was not 'till Lady Meredith had twice raised her mild voice, either party could be silenced.
1794, Mrs. Bennett (Agnes Maria), Ellen, Countess of Castle Howel: A Novel, volume 12 more examples
Sop[hy] Moderato! moderato! Madam. Your Ladyship's absolutely in alt. / L[ady] Scr[ape] In alt! Madam? / Sop[hy] Yes, in alt- Give me leave to tell your Ladyship, that you have raised your voice a full octave higher since you came into the room.
1762, George Colman, The Musical LadyAnd he began, — "Poor insect! born to flutter and to die;" — falling into the second, directly Helen took the first, till he got down to such unreasonable bass that he suddenly gave a shriek in alt that made Olga stop her ears.
1857, Anne Manning, Helen and Olga: a Russian tale, page 194 - archaicuncountableA state of excitement, a heightened emotional condition.First known use 18th c.
That lady was in alt at Loxsleigh's high station and had spent the morning making inquiries of her friends, which also allowed her to spread the word about her interesting new acquaintance.
2011, Jo Beverley, “The Marrying Maid”, in Songs of Love and Death: All-Original Tales of Star-Crossed Love, page 503 more examples
I was, however, glad at my heart, that Mrs. Moore came up so seasonably with notice, that dinner was ready. The fair fugitive was all in alt. She had the game in her own hands; and by giving me so good an excuse for withdrawing, I had time to strengthen myself; the Captain had time to come; and the Lady to cool.
1748, Samuel Richardson, The History of Clarissa Harlowe: In a Series of Letters"Not," added she, as her eyes glittered with anger, and she sidled near the door for an exit—" not but, in the estimation of others, you may be quite an Adonis—a young gentleman of wit and fashion —a beau of the first water; I have no doubt Mary Jane thinks so— you old wretch!" This, in alt, and a bang of the door that brought down an oil picture that hung over it, closed the scene.
c. 1875, Charles James Lever, The Dodd Family AbroadHe had no wish to pry or listen; but if people would talk in alt, whilst he moved, like a mole, about his business, family matters would cleave the ear which, however it tried, could not be deaf.
1891, Douglas William Jerrold, Tales: now first collected, page 113
alt2
- abbreviationclippingnot comparableClipping of alternate.
alt key
1 more example
[…]Adele, Chris Martin of Coldplay, Frank Ocean, Drake, and Ed Sheeran are among many artists who don't appear to spend a lot of time online (or if they do, it's using alt accounts).
2021, Rhian Jones, Lucy Heyman, Sound Advice: The Ultimate Guide to a Healthy and Successful Career in Music, Shoreditch Press, →ISBN - abbreviationclippingnot comparableClipping of alternative, especially as a cultural phenomenon seen as being outside the mainstream of its genre.
alt text
2 more examples
alt medicine
Fearn is thoughtful and deeply alt (“I’ve always been an oddball”), less demonstrative but more confident.
2023 March 5, Miranda Sawyer, “Sleaford Mods: ‘The UK is like a crazy golf course – all we’ve got left are landmarks’”, in The Guardian, →ISSNSynonyms: alt-
plural alts
- abbreviationclippingClipping of altitude.
- InternetgamesAn alternate or secondary account.
Of these alts, how many of them are a gender other than your own?
1996, Jonobie D. Baker, “Survey of MUSHers.”, in rec.games.mud.tiny (Usenet)1 more example
Yes, I have many alts, and no, none of the others have any unusual capitalisation.
2000, KaVir, “Code Bases - why release buggy crap?”, in alt.mud (Usenet) - InternetartAn alternate version of a piece of art, especially without much changes beyond a specific thing.
- abbreviationellipsisEllipsis of alt text.
present singular third person alts · participle present alting · participle past alted · past alted
alt3
plural alts
- Synonym of altbier.
Top-fermenting ales are still brewed, notably the alts of Düsseldorf and kölsches of Cologne.
1999, Brian Glover, The Complete Guide to Beer, Barnes & Noble, →ISBN, page 1463 more examples
On average, the mash temperatures used in the NHC second-round alts and kölschs were higher, at 153 °F (67 °C) and 151 °F (66 °C) respectively.
2000, Ray Daniels, Designing Great Beers: The Ultimate Guide to Brewing Classic Beer Styles, Brewers PublicationsIn the last two days I have drunk 10 different beers in each city and feel the Kölsches were within a narrower flavor profile, being relatively similar to each other, whereas Alts had more range of aroma and flavor.
2015, Mark Dredge, The Best Beer in the World: One Man’s Globe Search for the Perfect Pint, Dog ‘n’ Bone Books, →ISBNAle yeasts are often described as top fermenting, but top cropping would probably be a better description: the yeast ferments at all levels throughout the liquid, but once its work is done it collects at the top of the fermenting vessel (traditionally these vessels would have been open at the top). Family members include bitters, porters, stouts, alts and kölschs.
2016, Tim Hampson, The 50 Greatest Beers of the World, Icon BooksSynonyms: altbier
Alt4
plural Alts
- computingA modifier key used to change (alternate) the function of other pressed keys.
Alt5
- A river in West Lancashire and Merseyside, England that flows into the Irish Sea; in full, the River Alt.
ALT6
- abbreviationinitialismuncountablebiochemistryInitialism of alanine transaminase.
Furthermore, wedelolactone also increased the activities of superoxidase dismutase (SOD) and glutathione peroxidase (GSH-Px) and decreased the level of the lipid peroxidation product malondialdehyde (MDA) in the liver, therefore decreasing the activity of alanine aminotransferase (ALT).
2015 July 14, “Wedelolactone Regulates Lipid Metabolism and Improves Hepatic Steatosis Partly by AMPK Activation and Up-Regulation of Expression of PPARα/LPL and LDLR”, in PLOS ONE, →DOI - JapanabbreviationinitialismuncountableInitialism of Assistant Language Teacher.
Synonyms & antonyms
nounSynonym of altbier.
More synonyms by meaning
nounangular distance above the horizon (especially of a celestial object)
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
alt · noun
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂eltós
- Proto-Italic*altos
- Latinaltus
- Englishalt
From Latin altus (“high”). Doublet of old and alto.
More words from Latin
Full word history & related roots →alt · noun
- GermanAlt
- GermanAlt
- Englishalt
Borrowed from German Alt.
More words from German
Full word history & related roots →Translations
Esperanto alternativa registrumo, Alt-registrumo
- alternativa registrumoTranslations
- Alt-registrumoTranslations
Rhymes & wordplay
Rhymes with alt
All rhymes →Anagrams
Cite this entry
alt. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/alt
“alt.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/alt. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “alt,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/alt.
Source: alt on Wiktionary, CC BY-SA 4.0.