The Oxford Thesaurus An A-Z Dictionary of Synonyms - flatadj.

1) level, horizontal, even, smooth, plane, unbroken, uninterrupted: I looked out over the flat surface of the frozen bay. 2) prostrate, prone, supine, lying (down) , stretched out, recumbent, outstretched, reclining, spread-eagle(d) , spread out, outspread: I lay flat on my back staring up at the sky. 3) collapsed, levelled, overthrown, laid low: The air raid had left all the buildings completely flat. 4) downright, outright, unqualified, unreserved, unconditional, absolute, categorical, explicit, unconditional, definite, firm, positive, out-and-out, unequivocal, peremptory, unambiguous, unmistakable, direct, complete, total: The request for clemency was met with the judge's flat refusal. 5) featureless, monotonous, dull, dead, uninteresting, unexciting, vapid, bland, empty, two-dimensional, insipid, boring, tiresome, lifeless, spiritless, lacklustre, prosaic, stale, tired, dry, jejune: The critics wrote that she turned in a very flat performance. 6) deflated, collapsed, punctured, ruptured, blown out: We had a flat tyre on the way. 7 unchangeable, unchanging, invariable, unvaried, unvarying, standard, fixed, unmodified, unmodifiable, Colloq US cookie-cutter: They charge the same flat rate for children, the elderly, and all between. 8) dead, insipid, stale, tasteless, flavourless, unpalatable; decarbonated, non-effervescent: My beer has gone flat. 9) exact, precise: It's a flat ten minutes from here to the railway station. 1) 0 definite, certain, sure, irrevocable: I said I'm not going, and that's flat. 1) 1 dull, slow, sluggish, inactive, depressed: Business has been a bit flat since Christmas. 1) 2 dull, mat or matt or matte, unshiny, non-gloss(y) , non-reflective, non-glare, unpolished: The table looks better with a flat finish. 1) 3 lacking perspective, two-dimensional, lifeless, unrealistic: Some of his paintings seem pretty flat to me. --n. 1) 4 Often, flats. a US low shoes, loafers, sandals, Colloq flatties: Cynthia said that wearing flats makes her feet hurt. b lowland(s) , plain(s) , tundra, steppe(s) , prairie(s) , savannah or savanna, heath, moor, pampas; mud-flat(s) ; shallow(s) , shoal, strand; marsh, bog, fen, swamp: Before us was a large flat of barren ground. 1) 5 rooms, suite, apartment: How can you afford to keep a flat in London? --adv. 1) 6 absolutely, completely, categorically, utterly, wholly, uncompromisingly, irrevocably, positively, definitely, directly; exactly, precisely, flatly: He has come out flat in favour of the status quo. When he started drinking, she left him flat. 17 flat out. a at maximum or top or full or breakneck speed, speedily, quickly, apace, on the run, rapidly, swiftly, at full speed or gallop, post-haste, hell for leather, like a bat out of hell, like a shot, like (greased) lightning, like the wind: Someone shouted 'Fire!' and we headed flat out for the exits. b flatly, unhesitatingly, directly, at once, immediately, forthwith, without delay; plainly, openly, baldly, brazenly, brashly: He asked to borrow some money and she told him 'No', flat out. --n. 1) 8 room(s) , flat, suite (of rooms) , chambers, tenement; garden flat, maisonette, penthouse, studio, Brit bedsitter, bedsit; accommodation, living quarters, Colloq Brit digs , US and Canadian apartment, furnished room, walk-up, duplex, triplex, garden apartment: We rented a two-bedroom flat in a good neighbourhood.