Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun upstairs

1 sense of upstairs

Sense 1
upstairs -- (the part of a building above the ground floor; "no one was allowed to see the upstairs")
       => part, portion -- (something less than the whole of a human artifact; "the rear part of the house"; "glue the two parts together")

Antonyms of adj upstairs

1 sense of upstairs

Sense 1
upstairs (vs. downstairs), upstair -- (on or of upper floors of a building; "the upstairs maid"; "an upstairs room")

downstairs (vs. upstairs), downstair -- (on or of lower floors of a building; "the downstairs (or downstair) phone")
        => ground-floor -- (on the floor closest to level with the ground; "the ground-floor entrance is kept locked")

Similarity of adj upstairs

1 sense of upstairs

Sense 1
upstairs (vs. downstairs), upstair -- (on or of upper floors of a building; "the upstairs maid"; "an upstairs room")

Antonyms of adv upstairs

1 of 2 senses of upstairs

Sense 1
upstairs, up the stairs, on a higher floor -- (on a floor above; "they lived upstairs")
       Antonym of downstairs (Sense 1)
      => downstairs, down the stairs, on a lower floor, below -- (on a floor below; "the tenants live downstairs")

Synonyms of adv upstairs

2 senses of upstairs

Sense 1
upstairs, up the stairs, on a higher floor -- (on a floor above; "they lived upstairs")

Sense 2
upstairs -- (with respect to the mind; "she's a bit weak upstairs")