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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.

It's not like you can drive your car down the road, get a flat tire, pull over, fix it and keep going.

From Barron's • Apr. 10, 2026

“January’s reading was disappointing with GDP flat on the month, but we look for a +0.3% rebound this month,” Investec economist Philip Shaw said in a note.

From The Wall Street Journal • Apr. 10, 2026

As a result, from the beginning of last year it stopped selling flat feeders and advised they should no longer be used - effectively saying what it calls a "fond farewell" to traditional bird tables.

From BBC • Apr. 9, 2026

Who would have thought a suite of songs that cover being annoyed at TV chef Jamie Oliver and some rich Tesla driver moving into an old flame’s flat would be so comprehensively devastating?

From Los Angeles Times • Apr. 9, 2026

And then we were in the country, the flat Dutch farmland stretching to the horizon, ruler-straight canals sweeping past the window.

From "The Hiding Place" by Corrie ten Boom

Vocabulary lists containing flat

Music - Introductory

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Music - Middle School

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Music - High School

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!