upside down

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upside down¹

  • /ˌʌpsaɪd ˈdaʊn/
  • /ˌʌpsaɪˈdaʊn/ informal

Where it comes from

From Middle English up sid doun, an alteration of earlier upsadowne, upsedowne, up-so-doun (“upside down”), equivalent to up + so + down, literally “up as down”.

adverb downside up · upside-down · upsidedown · up so down

  1. not comparable Inverted, so that the top is now at the bottom. The Union flag was flying upside down, a sign of danger.

    Similar: bottom-upwards, topsy-turvy · Opposite: right side up

  2. not comparable In great disorder. The thief had turned the room upside down.

Similar: downside up, reverse, up so down, upside down, upsidown, upsy-down · Opposite: right-side up, rightways

adjective downside up · upside-down · upsidedown · up so down

  1. not comparable Inverted; turned so that the top is at the bottom. The pattern resembled an upside down letter W.
  2. not comparable In great disorder. The wenches and the men have been on the streets all day, and the kitchen is upside down. You never saw the like.
  3. not comparable Owing more money for something than it is worth; having negative equity. He's upside down on his mortgage.

    Similar: underwater

  4. humorous, not comparable Australian.

proper noun the upside down · downside up · upside-down · upsidedown · up so down

  1. Alternative letter-case form of Upside Down It is in the upside down where we can find many opportunities to grow and learn.

Upside Down²

Where it comes from

Coined by Stranger Things.

proper noun the Upside Down · upside down

  1. A dark and horrifying reality where the rules are different. This Upside Down economy was the product, Hansen said, of a shriveling population, the closing of the frontier and the maturing of industries.

Thesaurus

Translations

Every language

adv inverted

Españolal revés, boca abajo, bocabajo, de cabeza, de revés, patas arriba
한국어거꾸로 geokkuro
日本語逆さに sakasa ni, 逆さまに sakasama ni
中文反 fǎn, 顛倒 /颠倒 diāndăo, 倒 dăo
हिन्दीउल्टा ulṭā, विलोमित vilomit
Portuguêsde cabeça para baixo, de ponta-cabeça, ao contrário, de pernas para o ar
Françaisà l'envers, sens dessus dessous
Deutschauf dem Kopf, verkehrt herum, verkehrt rum, umgekehrt
Italianoa rovescio, sottosopra, al rovescio, a testa in giù, al contrario
Ελληνικάανάποδα anápoda
Românăcu fundul în sus, cu susul în jos
Русскийвверх дно́м vverx dnóm, вверх нога́ми vverx nogámi, кверх нога́ми kverx nogámi
Tiếng Việtlộn ngược
עבריתהָפוּךְ hafúch

adv in great disorder

Españolde cabeza, patas arriba
Portuguêsde pernas para o ar
Françaissens dessus dessous
Italianosottosopra, a soqquadro
Ελληνικάάνω κάτω áno káto
Românăpe dos
Русскийкувырко́м kuvyrkóm
Tiếng Việtđổ lộn
עבריתהָפוּךְ hafúch

adj inverted

Españolal revés
日本語逆さ sakasa, 逆さま sakasama
Portuguêsao contrário, de cabeça para baixo, de pernas para o ar, de ponta-cabeça
Françaisà l'envers, culbuté, renversé
Italianoinvertito, inverso, capovolto, rovesciato, a testa in giù
Ελληνικάανάποδος anápodos
Tiếng Việtlộn ngược
עבריתהָפוּךְ hafúkh

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Cite this
MLA

"upside down." Wiktionary, via Micwyn, micwyn.com/word/upside%20down. Accessed 6 Nov. 2026.

APA

upside down. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/upside%20down

Chicago

"upside down." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/upside%20down.

BibTeX
@misc{upside_down_2026,
  title = {upside down},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/upside%20down},
  urldate = {2026-11-06}
}