Synonyms for flat

noun freight car without permanent sides or roof

noun a deflated pneumatic tire

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

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

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

adjective not modified or restricted by reservations

adjective stretched out and lying at full length along the ground

adjective lacking contrast or shading between tones

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

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

adjective lacking taste or flavor or tang

adjective lacking stimulating characteristics; uninteresting

adjective having lost effervescence

adjective sounded or spoken in a tone unvarying in pitch

adjective horizontally level

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

adjective not reflecting light; not glossy

adjective commercially inactive

adverb in a forthright manner; candidly or frankly