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Definition of flatnext
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

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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

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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
The planets orbit the sun in roughly the same flat plane, known as the ecliptic. Jamie Carter, Space.com, 26 Feb. 2026 For the flat fee of $1,399, a morning workshop at a Fort Lauderdale hotel offers training and an end-of-course certificate in the Platelet-Rich Plasma facial, commonly known as PRP. Cindy Krischer Goodman, Sun Sentinel, 26 Feb. 2026
Adverb
When ChatGPT launched in November 2022, states and school districts were caught flat-footed. Ulrich Boser, Forbes.com, 20 Jan. 2026 The energy-sapping pace of the game, with furious pressing and frenzied chasing, saw mistakes creep in, with Morocco caught flat by Nicolas Jackson’s 38th-minute pass to Iliman Ndiaye, whose shot was saved by Bounou. Reuters, NBC news, 18 Jan. 2026
Noun
Leanne, a single mother, turns to her amateur heists to avoid losing her family flat, Mattie to get some money to his daughter as child maintenance, despite his chronic gambling. John Hopewell, Variety, 25 Feb. 2026 Underneath, a pair of loose white denim jeans and square-toed leather black flats. Anna Cafolla, Vogue, 25 Feb. 2026 See All Example Sentences for flat
Recent Examples of Synonyms for flat
Adjective
  • Democrats are fighting against this exact kind of abuse.
    Faris Tanyos, CBS News, 22 Feb. 2026
  • Most people already get enough protein, but your exact needs depend on factors like age, activity, and health.
    Kirsten Nunez, Martha Stewart, 22 Feb. 2026
Adjective
  • This outfit, one of Bessette-Kennedy’s most famous, manages to turn what could feel boring—a plain khaki midiskirt—into a genuine statement.
    Jake Henry Smith, Glamour, 27 Feb. 2026
  • Children, that great adventure, boring?
    Daniel Smith, The Atlantic, 27 Feb. 2026
Adjective
  • Rotating forward shifts body weight ahead of the center of support, making balance control more demanding and landings less stable.
    Jijo Malayil, Interesting Engineering, 23 Feb. 2026
  • Their journey from a fractious dynamic and rocky road to fraternal camaraderie was rooted in the fact that Shawn grew up in poverty, facing constant adversity, while Jack grew up in a stable household without wants.
    Ryan Coleman, Entertainment Weekly, 23 Feb. 2026
Adjective
  • Olive oil is also used to dress simple salads, roasted vegetables, and a host of other dishes.
    Condé Nast Traveler, Condé Nast Traveler, 26 Feb. 2026
  • Others have argued that the game represents a simple life that is becoming harder to obtain.
    Jacqui Palumbo, CNN Money, 26 Feb. 2026
Adjective
  • The long-wearing formula sets to a semi-matte finish that resists oil and humidity, too.
    Christa Joanna Lee, Allure, 26 Nov. 2025
  • The 42 mm case wears well thanks to ergonomically short lugs and restrained proportions, on a semi-matte alligator strap with a flamboyant yellow lining.
    Thor Svaboe, Robb Report, 12 Nov. 2025
Adjective
  • Italian seasoning, Gruyère cheese, and roasted red peppers make this chicken anything but bland.
    Kimberly Holland, Southern Living, 23 Feb. 2026
  • Nutritionists no longer recommend giving kids bland food, but the idea that children should eat different foods than adults nevertheless stuck.
    Olga Khazan, The Atlantic, 17 Feb. 2026
Adjective
  • Expanding its computing lineup, HONOR will unveil the MagicPad4 tablet and MagicBook Pro 14 laptop, both built to demonstrate how AI-powered features can boost productivity while retaining ultra-thin designs.
    Atharva Gosavi, Interesting Engineering, 24 Feb. 2026
  • Lopez accessorized with a thin belt, boots, and a black handbag, as well as some gold hoops.
    Hannah Malach, InStyle, 23 Feb. 2026
Adverb
  • Trump wants Iran to completely halt its enrichment of uranium and roll back both its long-range missile program and its support for regional armed groups.
    Arkansas Online, Arkansas Online, 27 Feb. 2026
  • When that might happen is highly uncertain, and completely up to Guthrie, given this month’s agonizing and all-consuming search for her mother Nancy.
    Brian Stelter, CNN Money, 27 Feb. 2026

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Cite this Entry

“Flat.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/flat. Accessed 1 Mar. 2026.

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