plane 1 of 4

Definition of planenext

plane

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adjective

plane

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verb (1)

as in to smooth
to make free from breaks, curves, or bumps planed the wood for the picnic table perfectly smooth so that no one would get splinters

Synonyms & Similar Words

Antonyms & Near Antonyms

plane

4 of 4

verb (2)

as in to fly
to move through the air with or as if with outstretched wings an eagle planed effortlessly overhead, gliding on an air current

Synonyms & Similar Words

Synonym Chooser

How does the adjective plane contrast with its synonyms?

Some common synonyms of plane are even, flat, level, and smooth. While all these words mean "having a surface without bends, curves, or irregularities," 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 could even be used to replace plane?

While the synonyms even and plane are close in meaning, 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 flat instead of plane?

While in some cases nearly identical to plane, flat applies to a surface devoid of noticeable curvatures, prominences, or depressions.

the work surface must be flat

Where would level be a reasonable alternative to plane?

The meanings of level and plane largely overlap; however, level applies to a horizontal surface that lies on a line parallel with the horizon.

the vast prairies are nearly level

When might smooth be a better fit than plane?

In some situations, the words smooth and plane are roughly equivalent. However, 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 plane
Noun
There’s more to do here than bask on the beautiful beaches, although that’s reason enough to hop on a plane. Kathleen Rellihan, Outside, 10 Feb. 2026 Studying such a physically and philosophically inaccessible topic is fundamentally different from other types of science—those quests at least exist in our plane of space and time. Sarah Scoles, Scientific American, 10 Feb. 2026
Verb
Five flies in the storage area planed on pots and pans. David J. Neal, Miami Herald, 25 July 2025 And while on one hand, the students can generally earn more money working in the U.S. for a summer than in their home country, the cost of living — from groceries to plane tickets to the fees to take part in the program — is higher as well. Sophie Carson, jsonline.com, 18 June 2025 See All Example Sentences for plane
Recent Examples of Synonyms for plane
Noun
  • This was, on its face, a minor achievement; after all, airplanes had been flying themselves for decades.
    Gideon Lewis-Kraus, New Yorker, 9 Feb. 2026
  • For comparison, imagine an airplane passenger looking out the window and trying to identify neighborhood boundaries within a city below.
    Amber Dance, Quanta Magazine, 9 Feb. 2026
Adjective
  • Chief among the latter is his region’s unnamed UNO (Upazila Nirbahi Officer), a wily mid-level bureaucrat who presents herself as Jahir’s direct line to the big guns, and persistently pulls rank on him with a disarming megawatt smile.
    Guy Lodge, Variety, 9 Feb. 2026
  • Don’t miss the iconic multi-level Flagler Tavern (and its upstairs speakeasy), waterfront dining at The Grille at Riverview, or a meal at The Breakers, a local landmark featuring a charming pink exterior and more than 100 years of history.
    Skye Sherman, Southern Living, 7 Feb. 2026
Noun
  • No distractions, no aeroplanes, no noise, no traffic.
    Emma Banks, InStyle, 4 Feb. 2026
  • The technology can fuel any form of transport, including yachts, ships, ferries, aeroplanes, trains, cars, buses, and trucks.
    Prabhat Ranjan Mishra, Interesting Engineering, 8 Oct. 2025
Adjective
  • The fragrance opens with a playful burst of juicy raspberry before folding into warm vanilla blossom, eventually settling into a smooth veil of cashmere musk that feels cozy without ever becoming heavy.
    Conçetta Ciarlo, Vogue, 9 Feb. 2026
  • Try making vichyssoise, a simple, smooth soup combining leeks and potatoes.
    Melissa Kravitz Hoeffner, Martha Stewart, 9 Feb. 2026
Adjective
  • In another demonstration, images encoded into flat films gradually became visible as the material morphed into dome-like 3D structures.
    Neetika Walter, Interesting Engineering, 6 Feb. 2026
  • Epstein first tried to enlist the help of his attorneys in his bid for clemency, but that quickly fell flat.
    Julie K. Brown, Miami Herald, 5 Feb. 2026
Adjective
  • Braver Angels’ mission promotes a horizontal understanding of what citizenship entails, far more inclusive and generative than today’s narrow, vertical view of citizenship as legal status.
    Harry Boyte, Twin Cities, 8 Feb. 2026
  • The upper sat on an oversize block platform wrapped in alternating black-and-white horizontal stripes, while a thin, high heel dropped straight from the back of the shoe to the floor.
    Maggie Clancy, Footwear News, 7 Feb. 2026
Adjective
  • The results point to a future where things like knee braces, exoskeletons, or even joint replacements could be tailored to an individual’s exact joint motion.
    Prabhat Ranjan Mishra, Interesting Engineering, 9 Feb. 2026
  • Roberts said crews will be dispatched on Sunday morning to find the exact location and begin repairs.
    Jeramie Bizzle, CBS News, 8 Feb. 2026

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Cite this Entry

“Plane.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/plane. Accessed 14 Feb. 2026.

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