Dictionary

upside down

adverb up·side down \ˈəp-ˌsīd-ˈdan\

: with the top at the bottom and the bottom at the top : placed so that the end that should be at the top is at the bottom

Full Definition of UPSIDE DOWN

1
:  in such a way that the upper and the lower parts are reversed in position
2
:  in or into great disorder <turned their world upside down>
upside–down adjective
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Examples of UPSIDE DOWN

  1. You hung the picture upside down!
  2. To remove the plant, turn the pot upside down and tap gently on the bottom to loosen it.
  3. The baby was holding the book upside down.

Origin of UPSIDE DOWN

alteration of Middle English up so doun, from up + so + doun down
First Known Use: 15th century
UPSIDE DOWN Defined for Kids

upside down

adverb up·side down \ˈəp-ˌsīd-\

Definition of UPSIDE DOWN for Kids

1
:  in such a way that the upper part is underneath and the lower part is on top <I turned his chocolate pudding upside down on his tray. — Jerry Spinelli, Crash>
2
:  in or into great confusion <The injury turned her life upside down.>

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