Word Study
upstairs
CIDE DICTIONARY
upstairs, adv.
Up the stairs; in or toward an upper story. [1913 Webster]
upstairs, a.
Being above stairs; as, an upstairs room. [1913 Webster]
OXFORD DICTIONARY
upstairs, adv., adj., & n.
--adv. to or on an upper floor.
--adj. (also upstair) situated upstairs.
--n. an upper floor.
--adv. to or on an upper floor.
--adj. (also upstair) situated upstairs.
--n. an upper floor.
THESAURUS
upstairs
above, abovestairs, airward, aloft, aloof, heavenward, high, high up, in the air, in the clouds, on high, on stilts, on the peak, on tiptoe, over, overhead, skyward, straight up, tiptoe, to the zenith, up, up attic, up north, up steps, upalong, uphill, uphillward, uplong, upstream, upstreamward, uptown, upward, upwards, upwithROGET THESAURUS
upstairs
Height
N height, altitude, elevation, eminence, pitch, loftiness, sublimity, tallness, stature, procerity, prominence, colossus, giant, grenadier, giraffe, camelopard, mount, mountain, hill alto, butte, monticle, fell, knap, cape, headland, foreland, promontory, ridge, hog's back, dune, rising ground, vantage ground, down, moor, moorland, Alp, uplands, highlands, heights, knob, loma, pena, picacho, tump, knoll, hummock, hillock, barrow, mound, mole, steeps, bluff, cliff, craig, tor, peak, pike, clough, escarpment, edge, ledge, brae, dizzy height, tower, pillar, column, obelisk, monument, steeple, spire, minaret, campanile, turret, dome, cupola, skyscraper, pole, pikestaff, maypole, flagstaff, top mast, topgallant mast, ceiling, high water, high tide, flood tide, spring tide, altimetry, batophobia, satellite, spy-in-the-sky, high, elevated, eminent, exalted, lofty, tall, gigantic, Patagonian, towering, beetling, soaring, hanging (gardens), elevated, upper, highest, high reaching, insessorial, perching, upland, moorland, hilly, knobby, mountainous, alpine, subalpine, heaven kissing, cloudtopt, cloudcapt, cloudtouching, aerial, overhanging, incumbent, overlying, superincumbent, supernatant, superimposed, prominent, tall as a maypole, tall as a poplar, tall as a steeple, lanky, on high, high up, aloft, up, above, aloof, overhead, airwind, upstairs, abovestairs, in the clouds, on tiptoe, on stilts, on the shoulders of, over head and ears, breast high, over, upwards, from top to bottom, e meglio cader dalle finistre che dal tetto.For further exploring for "upstairs" in Webster Dictionary Online