8. (adj)flat, level, plane 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"
10. (adj)categoric, categorical, flat, unconditional not modified or restricted by reservations "a categorical denial"; "a flat refusal"
11. (adj)flat, prostrate stretched out and lying at fulllength along the ground "found himself lying flat on the floor"
12. (adj)flat lacking contrast or shading between tones
13. (adj)flat (of a musical note) lowered in pitch by one chromatic semitone "B flat"
14. (adj)compressed, flat flattened laterally along the whole length (e.g., certain leafstalks or flatfishes)
15. (adj)bland, flat, flavorless, flavourless, insipid, savorless, savourless, vapid lacking taste or flavor or tang "a bland diet"; "insipid hospital food"; "flavorless supermarket tomatoes"; "vapid beer"; "vapid tea"
16. (adj)bland, flat lacking stimulating characteristics; uninteresting "a bland little drama"; "a flat joke"
17. (adj)flat having lost effervescence "flat beer"; "a flat cola"
18. (adj)flat, monotone, monotonic, monotonous sounded or spoken in a tone unvarying in pitch "the owl's faint monotonous hooting"
19. (adj)flat horizontally level "a flat roof"
20. (adj)two-dimensional, 2-dimensional, flat 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"
21. (adj)flat, mat, matt, matte, matted not reflecting light; not glossy "flat wall paint"; "a photograph with a matte finish"
22. (adj)flat commercially inactive "flat sales for the month"; "prices remained flat"; "a flat market"
23. (adverb)flat with flat sails "sail flat against the wind"
24. (adverb)directly, flat, straight 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"