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
Sam Forstag has spent years as a smokejumper, soaring out of low-altitude planes, fighting wildfires across the entire West Coast. Madison Dapcevich, Outside, 3 Feb. 2026 The plane seat is my crucible — and the most difficult part of every trip. Shelby Grad, Los Angeles Times, 3 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
  • If you aren’t sold on airplane jeans, this would be the easiest way to elevate your travel outfit.
    Kaitlin Clapinski, InStyle, 21 Jan. 2026
  • This was, after all, a man accustomed to jumping out of airplanes without parachutes, starring under the big top of Nitro Circus, and treating physics like a polite suggestion.
    Greg Engle, Forbes.com, 20 Jan. 2026
Adjective
  • Ultimately, this type of multi-level hydration yields longer-lasting plumpness and a lit-from-within glow.
    Sophie Wirt, InStyle, 21 Jan. 2026
  • If eligibility was limited to four years and affected by time playing in junior colleges and overseas, athletes would have a more restricted window of eligibility, giving them less time to move between schools, which would create more homogeneity in age and maturity and a more level playing field.
    Sheldon H. Jacobson, Chicago Tribune, 21 Jan. 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 weekend celebration started on Friday with a roller skating party on the smooth arena floor followed by a full schedule on Saturday of performances by local artists, tours and refreshments.
    Doug Duran, Mercury News, 27 Jan. 2026
  • With the ability to charge a compatible phone wirelessly at 25W using the new Qi2 charging standard, the MagSafe-compatible Icemag 3 has a full-surface magnetic lock and provides smoother and steadier power flow.
    Mark Sparrow, Forbes.com, 27 Jan. 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
  • And this Voyageur by Mersea pick features those thick horizontal stripes in warm neutral colors and dramatic wide-neck collars, but in sweater form.
    Alyssa Morin, InStyle, 26 Jan. 2026
  • Tierra Santa Healing House introduces a comprehensive spa and longevity experience, featuring immersive hydrothermal rituals, botanical steam rooms infused with South American herbs, horizontal rain shower beds, cold plunge and red-light therapy and couples heated stone beds.
    Emma Kershaw, Forbes.com, 26 Jan. 2026
Adjective
  • Dearfoams Hannah Knit Clog Slippers Oprah once included these exact Dearfoams slippers in her list of Favorite Things.
    Clara McMahon, PEOPLE, 1 Feb. 2026
  • Tres leches cake originated in Latin America, though its exact birthplace is disputed—Nicaragua, Mexico, Venezuela, and other countries claim it as their own.
    Martha Stewart, Martha Stewart, 1 Feb. 2026

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Cite this Entry

“Plane.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/plane. Accessed 7 Feb. 2026.

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