Definition of upside down in English:

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upside down


adverb& adjective

1With the upper part where the lower part should be; in an inverted position: [as adverb]: the car rolled and landed upside down [as adjective]: an upside-down canoe
More example sentences
  • The counters were sparkling, the chairs were all upside-down on the tables, and the floor was swept.
  • As she remains suspended in the upside-down position, he stations himself beneath her.
  • Position the sink upside-down on the newly laminated counter top or the plywood base.
1.1In or into total disorder or confusion: [as adverb]: burglars have turned our house upside down
More example sentences
  • Not for the first time, I reflect on the topsy-turvy, upside-down parallel universe of India.
  • It was a total disaster and turned upside down the conventional view of Victorian sexuality.
  • The basis of the past policy behind economic diplomacy is now turned upside down.
in/into disarray, in/into disorder, jumbled up, in/into a jumble, in/into a muddle, untidy, disorganized, chaotic, all over the place, in/into chaos, in/into confusion, topsy-turvy, at sixes and sevens
informal messed up, higgledy-piggledy
throw into disarray, throw into disorder, make disorderly, disorder, untidy, make untidy, disorganize, disturb, jumble, mix up, muddle, upset, turn something topsy-turvy
informal mess up
North American informal muss up


Middle English: originally up so down, perhaps in the sense 'up as if down'.

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