upside down
adverb
[ ˌʌpsʌɪ(d) ˈdaʊn ]
• with the upper part where the lower part should be; in or into an inverted position.
• "the car rolled and landed upside down"
Similar:
upturned,
upended,
bottom up,
wrong side up,
head over heels,
inverted,
reversed,
overturned,
capsized,
upset,
flipped,
Opposite:
upright,
the right way up,
upside down
adjective
• placed with the upper part where the lower part should be; inverted.
• "an upside-down canoe"
Origin:
Middle English: originally up so down, perhaps in the sense ‘up as if down’.