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
The narrow-body, medium-range plane’s low fuel demands are a major draw for carriers amid warnings of impending shortages. Jeronimo Gonzalez, semafor.com, 28 Apr. 2026 The Swede fell for not only the sunshine but also the possibilities, and since then he co-founded the country’s first sea-plane outfit and looks after nine other hotels. Condé Nast, Condé Nast Traveler, 28 Apr. 2026
Verb
In 2021, a man planed to propose to his girlfriend during a romantic gondola ride in Las Vegas, with passersby stopping to watch and record the sweet moment. Rachael O'Connor, MSNBC Newsweek, 6 Oct. 2025 The Magellano’s Dual Mode Hull, a signature feature that has been on the vessels since the series started, is a semi-planing hull with a vertical bow. Tristan Rutherford, Robb Report, 8 Sep. 2025 See All Example Sentences for plane
Recent Examples of Synonyms for plane
Noun
  • In 2025, the content creator flew on Spirit Airlines airplanes for 24 straight hours in order to get a better understanding of the low-cost carrier.
    Greta Cross, USA Today, 4 May 2026
  • Dashboard camera video captured a United Airlines flight striking a Baltimore bakery truck on the New Jersey Turnpike on Sunday afternoon as the airplane was preparing to land at Newark Liberty International Airport.
    Adam Thompson, CBS News, 4 May 2026
Adjective
  • In other security news, OpenAI is ditching passwords in favor of hardware security keys, which is a welcome change considering how valuable ChatGPT accounts can be, especially for those willing to shell out money for pro-level accounts.
    Alan Henry, PC Magazine, 1 May 2026
  • Much of Lofton’s research looks at developing a multi-level, multi-component food system intervention to address food insecurity inequities amongst Black American residents living in predominantly Black communities.
    Zareen Syed, Chicago Tribune, 29 Apr. 2026
Noun
  • The occasional booing of famous England players has been an integral part of the Wembley experience over the years, almost as commonplace as paper aeroplanes.
    Jack Pitt-Brooke, New York Times, 28 Mar. 2026
  • No distractions, no aeroplanes, no noise, no traffic.
    Emma Banks, InStyle, 4 Feb. 2026
Adjective
  • The bark is smooth and slate-gray with distinctive white longitudinal stripes that become more fissured and rough as the tree matures.
    SJ McShane, Martha Stewart, 4 May 2026
  • There was no one cooler, smoother and more casual on the field than Robinson Canó, who starred in nine seasons (2005-13) with the Yankees.
    Chris Kirschner, New York Times, 4 May 2026
Adjective
  • The telltale signature of abundant dust lies within the galaxy’s continuum of ultraviolet light, which has a relatively flat slope as a result of absorption from the dust.
    Jenna Ahart, Scientific American, 30 Apr. 2026
  • Workers boxed together two-by-twelves as forms and poured concrete, raising a tower 65 feet above the flat Eastern Plains.
    Kevin Strong, CBS News, 30 Apr. 2026
Adjective
  • While horizontal viewing angles were somewhat acceptable, vertical viewing angles were poor, especially while doing any productivity work.
    BestReviews, Mercury News, 4 May 2026
  • The simplest of these horizontal wagers is the Daily Double, which requires bettors to select the winners of back-to-back races.
    Neil Greenberg, New York Times, 1 May 2026
Adjective
  • Hundreds more homes, apartments to come Later phases of development would include more housing beyond the Westveil subdivision, though exact numbers of units are not clear.
    Rose Evans May 3, Idaho Statesman, 3 May 2026
  • The Marion County Coroner’s Office will determine the exact manner and cause of death.
    Francie Ebert, NBC news, 3 May 2026

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Cite this Entry

“Plane.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/plane. Accessed 5 May. 2026.

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