flat 1 of 3

1
as in exact
being neither more nor less than a certain amount, number, or extent industrial growth has been a flat two percent for each of the last four quarters

Synonyms & Similar Words

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Antonyms & Near Antonyms

2
as in boring
causing weariness, restlessness, or lack of interest a flat portrayal of Benjamin Franklin in the new TV series

Synonyms & Similar Words

Antonyms & Near Antonyms

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flat

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adverb

flat

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noun

chiefly British

Synonym Chooser

How does the adjective flat contrast with its synonyms?

Some common synonyms of flat are even, level, plane, and smooth. While all these words mean "having a surface without bends, curves, or irregularities," flat applies to a surface devoid of noticeable curvatures, prominences, or depressions.

the work surface must be flat

When would even be a good substitute for flat?

In some situations, the words even and flat are roughly equivalent. However, even applies to a surface that is noticeably flat or level or to a line that is observably straight.

trim the hedge so it is even

When is it sensible to use level instead of flat?

The words level and flat can be used in similar contexts, but level applies to a horizontal surface that lies on a line parallel with the horizon.

the vast prairies are nearly level

Where would plane be a reasonable alternative to flat?

While in some cases nearly identical to flat, plane applies to any real or imaginary flat surface in which a straight line between any two points on it lies wholly within that surface.

the plane sides of a crystal

When is smooth a more appropriate choice than flat?

The words smooth and flat are synonyms, but do differ in nuance. Specifically, smooth applies especially to a polished surface free of irregularities.

a smooth skating rink

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of flat
Adjective
Costumes could be $5 to $10 more this year, CNN reported, but prices for items made outside of China may stay relatively flat. Suzanne Blake, MSNBC Newsweek, 3 Oct. 2025 Some of the demands include keeping tuition flat for five years and providing the government with data on international students. Brittney Melton, NPR, 3 Oct. 2025
Adverb
However, shares of TSMC traded flat on Wednesday after news of its VEU reversal. Dylan Butts, CNBC, 3 Sep. 2025 When Guccione spread his arms wide, signaling Tatis had not swung – and had not struck out – Laureano was flat-footed in no-man’s land. Bill Plunkett, Oc Register, 23 Aug. 2025
Noun
Lean into the off-duty look even more by wearing ballet flats—or elevate your look with platforms or kitten heels. India Roby, Glamour, 1 Oct. 2025 Ty Johnson flares out of the backfield to keep Granderson in the flat. Derrik Klassen, New York Times, 1 Oct. 2025 See All Example Sentences for flat
Recent Examples of Synonyms for flat
Adjective
  • The peak of the autumn colors arrives and departs rather quickly, and the exact timing depends on a number of factors.
    Lydia Mansel, Travel + Leisure, 29 Sep. 2025
  • The exact process for screening adults for autism is still being developed.
    Laura Dorwart, Health, 29 Sep. 2025
Adjective
  • And, actually, representative of the sport in these non-boring ’20s.
    Joe Rexrode, New York Times, 2 Oct. 2025
  • Aesha knows a thing or two about Bitcoin, despite finding it a boring topic of conversation — her fiancé, Scott, is into crypto.
    Rafaela Bassili, Vulture, 30 Sep. 2025
Adjective
  • The fossil chemicals in question are a special types of steranes, which are the geologically stable form of sterols, like cholesterol, that are found in the cell membranes of complex organisms.
    Maria Azzurra Volpe, MSNBC Newsweek, 1 Oct. 2025
  • Married Matt and Amber Barnett overcame a little bit of jealousy and a lot of credit card debt to cultivate a stable relationship.
    Randall Colburn, Entertainment Weekly, 1 Oct. 2025
Adjective
  • Jared Jewelers Bulova Phantom Watch A watch is both practical and fashionable, and this style adds a touch of sparkle to simple outfits.
    Jacqueline Tempera, PEOPLE, 4 Oct. 2025
  • Each year, as the temperature rises, the town’s regular population of around 300 swells with thousands of kids soaking up the simple pleasures of the great outdoors.
    Tara Massouleh McCay, Southern Living, 4 Oct. 2025
Adjective
  • Gone are the days of the ultra-matte liquid lipstick.
    Conçetta Ciarlo, Vogue, 10 Sep. 2025
  • This Lulus bag is primarily matte and clean, with just a tinge of silver on the top handle and cutesy bow.
    Alyssa Grabinski, People.com, 22 Feb. 2025
Adjective
  • Choose simple, bland foods that are easy to digest, such as bananas and toast.
    Chelsea Rae Bourgeois, Health, 20 Sep. 2025
  • While the buzz about Borderlands 4 has been mostly positive (aside from serious PC performance issues reported early on), the game’s bland opening feels out of keeping with the franchise, offering a reminder that Borderlands has always been about more than just slick gameplay.
    G Kirilloff, Forbes.com, 18 Sep. 2025
Adjective
  • The water pressure then causes the vehicle to rise and slide on a thin layer of water between the tires and the road, making the driver lose control.
    CA Weather Bot, Sacbee.com, 3 Oct. 2025
  • Batteries without the filter lost power quickly, while batteries with the atom-thin filter retained almost all their capacity for more than 150 charge-discharge cycles.
    Sujita Sinha, Interesting Engineering, 2 Oct. 2025
Adverb
  • The second planet from the sun has a completely inhospitable surface, with temperatures reaching 863 degrees Fahrenheit (462 degrees Celsius) and a crushing pressure underneath an oppressively thick atmosphere.
    Keith Cooper, Space.com, 1 Oct. 2025
  • Use an offset spatula to spread the batter in an even layer, completely covering the fruit.
    Sheri Castle, Southern Living, 1 Oct. 2025

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Cite this Entry

“Flat.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/flat. Accessed 5 Oct. 2025.

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