Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ground-floor

2 senses of ground floor

Sense 1
ground floor, first floor, ground level -- (the floor of a building that is at or nearest to the level of the ground around the building)
       => floor, level, storey, story -- (a structure consisting of a room or set of rooms at a single position along a vertical scale; "what level is the office on?")

Sense 2
ground floor -- (becoming part of a venture at the beginning (regarded as position of advantage); "he got in on the ground floor")
       => beginning -- (the event consisting of the start of something; "the beginning of the war")

Antonyms of adj ground-floor

1 sense of ground-floor

Sense 1
ground-floor -- (on the floor closest to level with the ground; "the ground-floor entrance is kept locked")

INDIRECT (VIA downstairs) -> upstairs, upstair -- (on or of upper floors of a building; "the upstairs maid"; "an upstairs room")

Similarity of adj ground-floor

1 sense of ground-floor

Sense 1
ground-floor -- (on the floor closest to level with the ground; "the ground-floor entrance is kept locked")
       => downstairs (vs. upstairs), downstair -- (on or of lower floors of a building; "the downstairs (or downstair) phone")