plane 1 of 4

Definition of planenext

plane

2 of 4

adjective

plane

3 of 4

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
While the region is known for operating the largest aircraft, demand for smaller planes is rising as short-haul travel grows. Mohammed Sergie, semafor.com, 24 Feb. 2026 The discovery of the fraudulent components in 2023 led to planes being temporarily grounded and prompted calls for tighter industry oversight. Stephen Sorace, FOXNews.com, 24 Feb. 2026
Verb
Besides the Cool Springs location, the brand is also planing to open stores at Opry Mills and West Town Mall in Knoxville this fall. Gabrielle Chenault, The Tennessean, 29 Aug. 2025 Five flies in the storage area planed on pots and pans. David J. Neal, Miami Herald, 25 July 2025 See All Example Sentences for plane
Recent Examples of Synonyms for plane
Noun
  • With this step, the EPA has abandoned its responsibility to protect us from the effects of harmful heat-trapping emissions from sources like cars, trucks, airplanes and power plants.
    Chicago Tribune, Chicago Tribune, 23 Feb. 2026
  • That performance means massive benefits for wind turbines, airplanes, and certainly spaceships, space stations, and interplanetary probes far from any possible repair shop.
    New Atlas, New Atlas, 23 Feb. 2026
Adjective
  • Defense secretaries don’t usually get involved in decisions about the careers of colonels and other mid-level commanders, given that the lead civilian in the Pentagon is supposed to oversee war planning, a department of 3 million people, and America’s nuclear arsenal.
    Missy Ryan, The Atlantic, 18 Feb. 2026
  • Let’s have a level playing field and let the best man win the job.
    Thomas Jones, Austin American Statesman, 16 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
  • Wind resistance comes in at level five, which equates to up to 21 mph and the controls allow for smooth and precise flight.
    James Abbott, Space.com, 23 Feb. 2026
  • The sleek, smooth exterior clings close to my body, closer than any clothing or any body ever has.
    Literary Hub, Literary Hub, 23 Feb. 2026
Adjective
  • The index closed at a record high in late January but lost some ground in February and is roughly flat since late October.
    John Towfighi, CNN Money, 27 Feb. 2026
  • Hallway water dispensers make flat and bubbly available for free.
    Condé Nast, Condé Nast Traveler, 27 Feb. 2026
Adjective
  • Similar projects are underway elsewhere in the Bay Area, including Palo Alto’s $7 million living levee and other horizontal levee efforts in Hayward and North Richmond.
    Ryan Macasero, Mercury News, 21 Feb. 2026
  • That is a classic horizontal media merger.
    Cynthia Littleton, Variety, 21 Feb. 2026
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

Browse Nearby Words

Cite this Entry

“Plane.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/plane. Accessed 28 Feb. 2026.

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