flattened laterally along the whole length (e.g., certain leafstalks or flatfishes)
a deflated pneumatic tire
a shallow box in which seedlings are started
commercially inactive; "flat sales for the month"; "prices remained flat"; "a flat market"
freight car without permanent sides or roof
not reflecting light; not glossy; "flat wall paint"; "a photograph with a matte finish"
a musical notation indicating one half step lower than the note named
having a relatively broad surface in relation to depth or thickness; "flat computer monitors"
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"
a level tract of land; "the salt flats of Utah"
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"
an individual or group or structure or other entity regarded as a structural or functional constituent of a whole; "the reduced the number of units and installations"; "the word is a basic linguistic unit"
an assemblage of parts that is regarded as a single entity; "how big is that part compared to the whole?"; "the team is a unit"
a single undivided whole; "an idea is not a unit that can be moved from one brain to another"
an organization regarded as part of a larger social group; "the coach said the offensive unit did a good job"; "after the battle the soldier had trouble rejoining his unit"
a single undivided natural thing occurring in the composition of something else; "units of nucleic acids"
any division of quantity accepted as a standard of measurement or exchange; "the dollar is the United States unit of currency"; "a unit of wheat is a bushel"; "change per unit volume"