Synonyms of flat in English

: flat1flat2

flat1


See definition of flat

adjective

1‘a flat surface’

SYNONYMS
level, horizontal, levelled
smooth, even, uniform, consistent, featureless, flush, plumb, regular, unvarying, continuous, unbroken, plane
ANTONYMS

vertical, bumpy

2‘the sea was flat’

SYNONYMS
calm, still, tranquil, pacific, undisturbed, without waves, like a millpond
glassy, motionless, waveless, unagitated
literary stilly
ANTONYMS

choppy

3‘a flat wooden box’

SYNONYMS
shallow, not deep, wide
ANTONYMS

deep

4‘she put on some flat sandals’

SYNONYMS
low, low-heeled, heelless, without heels
ANTONYMS

high-heeled

5‘his voice was flat and without expression’

SYNONYMS
monotonous, toneless, droning, boring, dull, tedious, uninteresting, unexciting, soporific
bland, vapid, vacant, insipid, prosaic, dreary, colourless, featureless, jejune
emotionless, unfeeling, unexcited, unexpressive, expressionless, lifeless, spiritless, lacklustre, dead
informal deadly
ANTONYMS

exciting, emotional

6‘he felt flat, used-up, weary’

SYNONYMS
depressed, dejected, dispirited, despondent, downhearted, disheartened, discouraged, low, low-spirited, down, gloomy, glum, unhappy, blue, desolate, weighed down, oppressed
without energy, enervated, sapped, weary, tired out, worn out, exhausted, devitalized, drained
informal down in the mouth, down in the dumps
ANTONYMS

cheerful, full of beans

7‘the market was flat’

SYNONYMS
slow, inactive, sluggish, slow-moving, slack, quiet, not busy, depressed, stagnant, static, dead, unproductive
ANTONYMS

busy

8‘flat champagne’

SYNONYMS
still, dead, no longer effervescent
ANTONYMS

sparkling

9‘a flat battery’

SYNONYMS
expired, dead, finished, used up, run out
informal kaput, dud
British informal duff
ANTONYMS

fresh, working

10‘a flat tyre’

SYNONYMS
deflated, punctured, burst, collapsed, blown out, ruptured, pierced, empty of air, decompressed, depressurized
ANTONYMS

inflated

11‘I charge a flat £30 fee’

SYNONYMS
fixed, set, regular, established, unchanging, unvarying, invariable, unfluctuating, consistent, constant, uniform, straight, hard and fast

12‘a flat denial of any impropriety’

SYNONYMS
outright, direct, point blank, out and out, downright, absolute, definite, positive, straight, stark, all out
plain, explicit
firm, resolute, adamant, assertive, emphatic, insistent, final, conclusive
complete, utter, categorical, unconditional, sheer, thorough, thoroughgoing
unqualified, unmodified, unequivocal, unquestionable, unrestricted, unmitigated

adverb

1‘I lay down flat on the floor’

SYNONYMS
stretched out, outstretched, spreadeagled, prone, reclining, sprawling, supine, prostrate, recumbent
on one's back, on one's front, on one's stomach, on one's face, flat on one's face
rare procumbent

2‘I thought you'd turn me down flat’

SYNONYMS
outright, directly, absolutely
plainly, explicitly
firmly, resolutely, adamantly, assertively, emphatically, insistently, finally, conclusively
completely, utterly, categorically, unconditionally, thoroughly, definitely
unequivocally, unquestionably

Synonyms of flat in English

: flat1flat2

flat2


See definition of flat

noun

1‘a two-bedroom flat’

SYNONYMS
apartment, set of rooms, penthouse, home, residence, accommodation
rooms, living quarters, quarters
Australian home unit
informal pad, digs
North American informal crib

Phrases

    flat out

    ‘I'd been working flat out’


    SYNONYMS



    informal


    British informal


    ANTONYMS

    moderately

    fall flat

    ‘I just felt a lot of the jokes fell flat’


    SYNONYMS