'flat' in a sentence

: lacking contrast or shading between tones

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

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

: having a relatively broad surface in relation to depth or thickness

: not modified or restricted by reservations

: stretched out and lying at full length along the ground

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

: lacking taste or flavor or tang

: lacking stimulating characteristics; uninteresting

: having lost effervescence

: sounded or spoken in a tone unvarying in pitch

: horizontally level

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

: not reflecting light; not glossy

: commercially inactive

: a level tract of land

: a shallow box in which seedlings are started

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

: freight car without permanent sides or roof

: a deflated pneumatic tire

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

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

: with flat sails

: in a forthright manner; candidly or frankly