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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
But for many young adults like Li, the offer falls flat. Nectar Gan, CNN Money, 5 Aug. 2025 Located up a winding road, Sulmona itself is fairly flat and easy to walk through, and there are several very good restaurants that feature the cooking of Abruzzo. John Mariani, Forbes.com, 5 Aug. 2025
Adverb
Eddie’s hair hangs flat down the sides of his face into the collar of his denim shirt. Carly Tagen-Dye, People.com, 17 July 2025 Without real user demand, even the best monetization strategy will fall flat. Expert Panel®, Forbes.com, 11 July 2025
Noun
The incident, which resulted in no major injuries, showed that the building had an average of seven people living in each apartment, which are one-, two-, and three-bedroom flats. Mohammed Sergie, semafor.com, 1 Aug. 2025 Fill your closet with slip-on sneakers, sleek mules, trendy ballet flats, and more styles for all ]occasions. Clara McMahon, People.com, 30 July 2025 See All Example Sentences for flat
Recent Examples of Synonyms for flat
Adjective
  • Rugged Flex Relaxed Fit Denim Bib Overalls While Jennifer Garner’s exact Carhartt overalls aren’t on sale, this relaxed denim alternative is and offers a similar fit.
    Ali Faccenda, People.com, 8 Aug. 2025
  • Although the shape of the McDonald’s fry wasn’t the exact goal, there’s something about the world’s most famous fry that strikes a chord with Americans.
    Andrew Watman, Forbes.com, 7 Aug. 2025
Adjective
  • Stick with boring investments to avoid big mistakes from get-rich-quick schemes.
    Jonathan I. Shenkman, Forbes.com, 15 Aug. 2025
  • Hosting every summit in a big European city would alleviate much of the pressure to re-invent the wheel every time with respect to hotels, transit, and other boring but essential logistical details.
    Tim McDonnell, semafor.com, 14 Aug. 2025
Adjective
  • Younger people are lonelier – many of them have trouble finding stable friendships and are unable to find a romantic partner.
    Rafael Perez, Oc Register, 16 Aug. 2025
  • Travelers are advised to consider alternative itineraries, focusing on stable routes and refundable connections, and to maintain thorough records of expenses and communication with the airline.
    Zach Wichter, USA Today, 16 Aug. 2025
Adjective
  • The recycled leather lanyard adds to its convenience and simple, timeless style.
    New Atlas, New Atlas, 16 Aug. 2025
  • In North Carolina, Republicans are a few votes shy of a supermajority in one chamber but still control the redistricting process because the state’s congressional maps are not subject to veto and therefore can be passed by a simple majority in the legislature.
    Elena Shao, New York Times, 16 Aug. 2025
Adjective
  • 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
  • To get this result, Dempsey recommends the Dior Addict Lip Tint for its transfer-proof, semi-matte finish.
    Loren Savini, Allure, 22 Jan. 2025
Adjective
  • Flat video is a bit bland without edits but provides a more flexible starting point for creators with the know-how to apply a creative color grade in the editing room.
    PC Magazine, PC Magazine, 25 July 2025
  • Out-of-season tomatoes—notoriously pale, mealy, and bland—tend to be tomatoes in name only.
    Rachel Sugar, The Atlantic, 24 July 2025
Adjective
  • Teams may need to build thin wrappers around LLMs, integrate retrieval pipelines or fine-tune models to deliver useful results.
    Albert Lie, Forbes.com, 5 Aug. 2025
  • Then in the 1920s the style changed to short gowns with a thin profile.
    Julie Gallant, San Diego Union-Tribune, 5 Aug. 2025
Noun
  • Castle Apartments: Built in 1906, Castle Apartments was originally Whitwell Hospital and has been a sanatorium, retirement home and residential apartments over the years.
    Shelby Slade, AZCentral.com, 5 Aug. 2025
  • And despite a decline in social occasions, apartment space, and even personal time, dinner parties display resilience and special fascination.
    Emma Sandler, Forbes.com, 5 Aug. 2025

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Cite this Entry

“Flat.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/flat. Accessed 19 Aug. 2025.

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