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Definitions

flat

[flat] / flæt /
ADJECTIVE
level, smooth
Synonyms
STRONGEST
empty horizontal low unbroken
STRONG
even flush oblate plane reclining splay
WEAK
collapsed complanate decumbent deflated extended fallen outstretched pancake planar planate procumbent prone prostrate punctured recumbent spread-out supine tabular
Antonyms
STRONGEST
upright
STRONG
rough uneven
WEAK
elevated raised rounded
ADJECTIVE
dull, lackluster to the senses
Synonyms
STRONGEST
bland dead lifeless stale weak
STRONG
blah blind boring drab matte vanilla
WEAK
banal colorless dim draggy flavorless ho-hum inane innocuous insipid jejune lead balloon monotonous muted pointless prosaic prosy sapless spiritless tasteless tedious uninteresting unpalatable unsavory unseasoned vapid watery white-bread
Antonyms
STRONG
exciting
WEAK
bubbly effervescent sharp tasty
ADJECTIVE
absolute, positive
Synonyms
STRONGEST
straight
STRONG
final plain
WEAK
categorical direct downright explicit fixed indubitable out-and-out peremptory unconditional unequivocal unmistakable unqualified unquestionable
Antonyms
WEAK
indefinite
NOUN
apartment
Synonyms
STRONGEST
condo suite tenement walk-up
STRONG
chambers co-op joint lodging pad rental room rooms
WEAK
crash pad floor-through railroad apartment

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I saw his pale skin turned purple, his sly mouth gone flat.

From Slate • Apr. 23, 2026

She claims it took a visiting council officer less than two minutes to assess the property as unsuitable and move her to her current flat.

From BBC • Apr. 22, 2026

The monitor had been designed with screws in the back that had 25 concentric circles machined into their flat heads to make them sparkle as light passed over them.

From Barron's • Apr. 22, 2026

Known exceptions involved non-compact surfaces, which either extend infinitely, like a flat plane, or have edges where they end.

From Science Daily • Apr. 22, 2026

With one hand, he held the flat tip of the saw and bent the blade off to the side, so it had a curve to it.

From "The Seven Wonders of Sassafras Springs" by Betty G. Birney

Vocabulary lists containing flat

Music - Introductory

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Music - Middle School

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Music - High School

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