flat

1. adjective

1)

a flat surface

Syn:

level, horizontal; smooth, even, uniform, regular, plane

Ant:

vertical, uneven

2)

the sea was flat

Syn:

calm, still, pacific, tranquil, glassy, undisturbed, without waves, like a millpond

Ant:

choppy

3)

a flat wooden box

Syn:

shallow, low-sided

Ant:

deep

4)

flat sandals

Syn:

low, low-heeled, without heels

5)

the teacher's flat voice

Syn:

monotonous, toneless, droning, boring, dull, tedious, uninteresting, unexciting, soporific; bland, dreary, colorless, featureless, emotionless, expressionless, lifeless, spiritless, lackluster, plain-vanilla

Ant:

exciting, emotional

6)

he felt too flat to get out of bed

Syn:

depressed, dejected, dispirited, despondent, downhearted, disheartened, low, low-spirited, down, unhappy, blue; without energy, enervated, sapped, weary, tired out, worn out, exhausted, drained; informal down in the dumps

Ant:

cheerful, energized

7)

the market was flat

Syn:

slow, inactive, sluggish, slack, quiet, depressed

Ant:

busy

8)

a flat tire

Syn:

deflated, punctured, burst

Ant:

inflated

9)

a flat fee

Syn:

fixed, set, regular, unchanging, unvarying, invariable

10)

a flat denial

Syn:

outright, direct, absolute, definite, positive, straight, plain, explicit; firm, resolute, adamant, assertive, emphatic, categorical, unconditional, unqualified, unequivocal

2. adverb

1)

she lay down flat on the floor

Syn:

stretched out, outstretched, spread-eagle, sprawling, prone, supine, prostrate, recumbent

2) informal

she turned me down flat

Syn:

outright, absolutely, firmly, resolutely, adamantly, emphatically, insistently, categorically, unconditionally, unequivocally

3. noun

(flats)

they race their bikes across the flats

- flat out

Syn:

tidal flats, mud flats, tideland, intertidal area