flat

commercially inactive

“flat sales for the month”

not reflecting light; not glossy

“flat wall paint”

having a relatively broad surface in relation to depth or thickness

“flat computer monitors”

lacking the expected range or depth; not designed to give an illusion or depth

“a film with two-dimensional characters”

having a surface without slope, tilt in which no part is higher or lower than another

“a flat desk”

lacking contrast or shading between tones

horizontally level

“a flat roof”

stretched out and lying at full length along the ground

“found himself lying flat on the floor”

sounded or spoken in a tone unvarying in pitch

“the owl's faint monotonous hooting”

(of a musical note) lowered in pitch by one chromatic semitone

“B flat”

not modified or restricted by reservations

“a categorical denial”

having lost effervescence

“flat beer”

lacking stimulating characteristics; uninteresting

“a bland little drama”

lacking taste or flavor or tang

“a bland diet”

flattened laterally along the whole length (e.g., certain leafstalks or flatfishes)

in a forthright manner; candidly or frankly

“he didn't answer directly”

with flat sails

“sail flat against the wind”

a suite of rooms usually on one floor of an apartment house

scenery consisting of a wooden frame covered with painted canvas; part of a stage setting

a deflated pneumatic tire

a shallow box in which seedlings are started

freight car without permanent sides or roof

a musical notation indicating one half step lower than the note named

a level tract of land

“the salt flats of Utah”