upside down

== English == === Alternative forms === downside up upside-down, upsidedown up so down (14th–16th centuries) === Etymology === 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”. === Pronunciation === IPA(key): (careful speech) /ˌʌpsaɪd ˈdaʊn/, (fast speech) /ˌʌpsaɪˈdaʊn/ === Adverb === upside down (not comparable) Inverted, so that the top is now at the bottom. In great disorder. ==== Synonyms ==== (inverted): bottom-upwards, topsy-turvy ==== Translations ==== === Adjective === upside down (not comparable) Inverted; turned so that the top is at the bottom. In great disorder. (finance) Owing more money for something than it is worth; having negative equity. (humorous) Australian. ==== Synonyms ==== (having negative equity): underwater ==== Derived terms ==== ==== Translations ==== === Proper noun === the upside down Alternative letter-case form of Upside Down. === References === === Anagrams === downside up