From WordNet (r) 3.0 (2006):
flat
adv 1: with flat sails; "sail flat against the wind"
2: in a forthright manner; candidly or frankly; "he didn't
answer directly"; "told me straight out"; "came out flat for
less work and more pay" [syn: directly, flat, straight]
[ant: indirectly]
adj 1: having a surface without slope, tilt in which no part is
higher or lower than another; "a flat desk"; "acres of
level farmland"; "a plane surface"; "skirts sewn with
fine flat seams" [syn: flat, level, plane]
2: having a relatively broad surface in relation to depth or
thickness; "flat computer monitors"
3: not modified or restricted by reservations; "a categorical
denial"; "a flat refusal" [syn: categoric, categorical,
flat, unconditional]
4: stretched out and lying at full length along the ground;
"found himself lying flat on the floor" [syn: flat,
prostrate]
5: lacking contrast or shading between tones [ant: contrasty]
6: (of a musical note) lowered in pitch by one chromatic
semitone; "B flat" [ant: natural, sharp]
7: flattened laterally along the whole length (e.g., certain
leafstalks or flatfishes) [syn: compressed, flat]
8: lacking taste or flavor or tang; "a bland diet"; "insipid
hospital food"; "flavorless supermarket tomatoes"; "vapid
beer"; "vapid tea" [syn: bland, flat, flavorless,
flavourless, insipid, savorless, savourless, vapid]
9: lacking stimulating characteristics; uninteresting; "a bland
little drama"; "a flat joke" [syn: bland, flat]
10: having lost effervescence; "flat beer"; "a flat cola"
11: sounded or spoken in a tone unvarying in pitch; "the owl's
faint monotonous hooting" [syn: flat, monotone,
monotonic, monotonous]
12: horizontally level; "a flat roof"
13: lacking the expected range or depth; not designed to give an
illusion or depth; "a film with two-dimensional characters";
"a flat two-dimensional painting" [syn: two-dimensional,
2-dimensional, flat]
14: not reflecting light; not glossy; "flat wall paint"; "a
photograph with a matte finish" [syn: flat, mat, matt,
matte, matted]
15: commercially inactive; "flat sales for the month"; "prices
remained flat"; "a flat market"
n 1: a level tract of land; "the salt flats of Utah"
2: a shallow box in which seedlings are started
3: a musical notation indicating one half step lower than the
note named
4: freight car without permanent sides or roof [syn: flatcar,
flatbed, flat]
5: a deflated pneumatic tire [syn: flat, flat tire]
6: scenery consisting of a wooden frame covered with painted
canvas; part of a stage setting
7: a suite of rooms usually on one floor of an apartment house
[syn: apartment, flat]