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upstairs

1 upstairs /ˌʌpˈsteɚz/ adverb
1 upstairs
/ˌʌpˈsteɚz/
adverb
Britannica Dictionary definition of UPSTAIRS
: on or to a higher floor of a building
informal : in the head : mentally or intellectually

kick (someone) upstairs

see 1kick
2 upstairs /ˈʌpˈsteɚz/ adjective
2 upstairs
/ˈʌpˈsteɚz/
adjective
Britannica Dictionary definition of UPSTAIRS
always used before a noun
: located on a higher floor of a building
3 upstairs /ˈʌpˈsteɚz/ noun
3 upstairs
/ˈʌpˈsteɚz/
noun
Britannica Dictionary definition of UPSTAIRS

the upstairs

: the upper floors of a building