\ ˈsmüt͟h How to pronounce smooth (audio) \

Definition of smooth

 (Entry 1 of 3)

1a(1) : having a continuous even surface
(2) of a curve : being the representation of a function with a continuous first derivative
(3) : having or being a short even coat of hair a smooth collie — compare rough, wirehaired
b : being without hair
c : glabrous a smooth leaf
d : causing no resistance to sliding
2 : free from difficulties or impediments the smooth course of his life
3 : even and uninterrupted in flow or flight
4 : excessively and often artfully suave : ingratiating a smooth operator
5a : serene, equable a smooth disposition
6a : not sharp or harsh a smooth sherry
b : free from lumps


smoothed; smoothing; smooths also smoothes

Definition of smooth (Entry 2 of 3)

transitive verb

1 : to make smooth
2a : to free from what is harsh or disagreeable : polish smoothed out his style
b : soothe
3 : to minimize (something, such as a fault) especially in order to allay anger or ill will his main job is to smooth over the friction that so often arises— Brian Crozier
4 : to free from obstruction or difficulty conciliation smoothed the way to an agreement
5a : to press flat smoothed down the folds of her dress
b : to remove expression from (one's face) : compose
6 : to cause to lie evenly and in order : preen a bird smoothing its feathers
7 : to free (a graph, a collection of data, etc.) from irregularities

intransitive verb

: to become smooth



Definition of smooth (Entry 3 of 3)

1 : a smooth part
2 : the act of smoothing
3 : a smoothing implement

Other Words from smooth


smooth adverb
smoothly adverb
smoothness noun


smoother noun

Synonyms & Antonyms for smooth

Synonyms: Adjective

Synonyms: Verb

Antonyms: Adjective

Antonyms: Verb

Visit the Thesaurus for More 

Choose the Right Synonym for smooth


level, flat, plane, even, smooth mean having a surface without bends, curves, or irregularities. level applies to a horizontal surface that lies on a line parallel with the horizon. the vast prairies are nearly level flat applies to a surface devoid of noticeable curvatures, prominences, or depressions. the work surface must be 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 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 smooth applies especially to a polished surface free of irregularities. a smooth skating rink

easy, facile, simple, light, effortless, smooth mean not demanding effort or involving difficulty. easy is applicable either to persons or things imposing tasks or to activity required by such tasks. an easy college course facile often adds to easy the connotation of undue haste or shallowness. facile answers to complex questions simple stresses ease in understanding or dealing with because complication is absent. a simple problem in arithmetic light stresses freedom from what is burdensome. a light teaching load effortless stresses the appearance of ease and usually implies the prior attainment of artistry or expertness. moving with effortless grace smooth stresses the absence or removal of all difficulties, hardships, or obstacles. a smooth ride

suave, urbane, diplomatic, bland, smooth, politic mean pleasantly tactful and well-mannered. suave suggests a specific ability to deal with others easily and without friction. a suave public relations coordinator urbane implies high cultivation and poise coming from wide social experience. an urbane traveler diplomatic stresses an ability to deal with ticklish situations tactfully. a diplomatic negotiator bland emphasizes mildness of manner and absence of irritating qualities. a bland master of ceremonies smooth suggests often a deliberately assumed suavity. a smooth salesman politic implies shrewd as well as tactful and suave handling of people. a cunningly politic manager

Examples of smooth in a Sentence

Adjective They groomed the ski trail so it was smooth. The river rocks had been worn smooth by the water. Whisk the flour into the gravy until it is smooth. The milkshake was smooth and creamy. With the aid of observers, the election process was a smooth one. Our trip was smooth and uneventful. the smooth movements of a swimmer She has a nice, smooth golf swing. His new car has a smooth ride. Our flight was very smooth. Verb He smoothed his tie and headed out the door. The coin's date had been smoothed away over time. Smooth the cream on after your shower. Smooth the wax over the wood before polishing. She smoothed on some moisturizer before she put on her makeup. He smoothed ointment over the cut. See More
Recent Examples on the Web: Adjective Step 3Pour batter into prepared pan; smooth top with a rubber or offset spatula. People Staff,, 2 Aug. 2022 To remove excess fuzz, soak in cold water and gently scrub with a dish towel. Choose peaches that are smooth, plump and blemish-free. Becky Krystal, Washington Post, 18 July 2022 The polyester-spandex composition is smooth, stretchy and easily wicks away sweat. Sam Peters, Good Housekeeping, 13 July 2022 The sheets are crisp, smooth, and feel cool to the touch on those hot summer nights. Matt Jancer, Wired, 12 July 2022 The secret is this Maybelline pencil is designed to mimic smooth, precise, hair-like strokes. Kiana Murden, Vogue, 12 July 2022 Process 2 cups blueberries in clean, dry work bowl until smooth, about 2 minutes, scraping down sides of bowl as needed. Tribune News Service, cleveland, 5 July 2022 Lower the heat, and cook the polenta at a gentle bubble, stirring every few minutes and adding more milk or water if needed, until the polenta is smooth, thick, and creamy but still quite moist, about 20 minutes. The Editors, Outside Online, 23 June 2022 Watching her, the motion seems smooth, unencumbered, and innate. Elizabeth Millard, C.p.t., SELF, 20 June 2022 Recent Examples on the Web: Verb Carrefour, the giant chain of 1,700 supermarkets, plans to start roasting its chickens an hour earlier at 7 a.m. to smooth demands on the electric grid, according to the Financial Times. David A. Andelman, CNN, 31 July 2022 The orange side can be used to quickly file and shape the nails, while the beige side can be used to smooth your mani. Ava Darrin, ELLE, 30 July 2022 The colorless balm can be worn on its own or underneath your new lip color to set, moisturize, and smooth your shade. Tiffany Dodson, Harper's BAZAAR, 29 July 2022 The cream features nourishing argan oil, crushed pearl, and Hawaiian white honey to smooth flyaways and add shine to damaged strands. Nicol Natale,, 28 July 2022 Place half of filling in small bowl; add melted chocolate and combine well. Note: Using a stand mixer with paddle attachment, if available, at medium to high speed will smooth curdling from butter that's too cold, as the filling warms. Carol Deptolla, Journal Sentinel, 27 July 2022 After forging, Kamimura grinds and polishes the knife to smooth and perfect it, and attaches a custom wooden handle. Devorah Lev-tov, Robb Report, 25 July 2022 The Gloss Scalp and Hair Oil, the latter of which can also be used on the hair to smooth and add shine. Hannah Coates, Vogue, 23 July 2022 Enter Jo Malone's perfume, which pairs smooth rose and deep, dramatic oud wood. April Franzino, Good Housekeeping, 22 July 2022 Recent Examples on the Web: Noun There are two adaptive-damping modes, but the default setting is ideal for both track and mountain-road use, especially if the asphalt is anything less than billiard-table smooth. Dan Edmunds, Car and Driver, 22 Mar. 2022 Testers unanimously rated the fabric smooth, yet not too slippery. Lexie Sachs, Good Housekeeping, 17 May 2022 First introduced 22 years ago in 1999, the mouthwatering pastry features a creamy smooth, vanilla custard nestled in a flaky, buttery crust glazed with sugar and topped with rainbow sprinkles., 1 Dec. 2021 The six-year veteran showed none of the shakiness from earlier in the series against the Lakers, shredding the NBA's best defensive team with his silky-smooth jumper and heady penetration. Greg Beacham, Star Tribune, 4 June 2021 The six-year veteran showed none of the shakiness from earlier in the series against the Lakers, shredding the NBA’s best defensive team with his silky-smooth jumper and heady penetration. Greg Beacham,, 4 June 2021 The six-year veteran showed none of the shakiness from earlier in the series against the Lakers, shredding the NBA’s best defensive team with his silky-smooth jumper and heady penetration. Greg Beacham, ajc, 4 June 2021 Once the glue is dry, remove the clamp and sand the joint smooth. Kevin Dupzyk, Popular Mechanics, 3 Mar. 2021 Its boldness will carry you into spring, with a smooth with gentle tannins. Aly Walansky, Forbes, 1 Mar. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'smooth.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of smooth


before the 12th century, in the meaning defined at sense 1a(1)


15th century, in the meaning defined at transitive sense 1


15th century, in the meaning defined at sense 1

History and Etymology for smooth


Middle English smothe, from Old English smōth; akin to Old Saxon smōthi smooth

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Time Traveler for smooth

Time Traveler

The first known use of smooth was before the 12th century

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Dictionary Entries Near smooth



smooth alder

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Last Updated

4 Aug 2022

Cite this Entry

“Smooth.” Dictionary, Merriam-Webster, Accessed 15 Aug. 2022.

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More Definitions for smooth


\ ˈsmüt͟h How to pronounce smooth (audio) \
smoother; smoothest

Kids Definition of smooth

 (Entry 1 of 2)

1 : not rough or uneven in surface a smooth board
2 : not hairy a smooth face
3 : free from difficulties or things in the way a smooth path a smooth journey
4 : moving or progressing without breaks, sudden changes, or shifts a smooth stream smooth speech
5 : appearing to be friendly and flattering without really meaning it a smooth talker

Other Words from smooth

smoothly adverb
smoothness noun


smoothed; smoothing

Kids Definition of smooth (Entry 2 of 2)

1 : to remove bumps, lumps, or wrinkles : make smooth
2 : to free from trouble or difficulty Pioneers smoothed the way for us.


\ ˈsmüt͟h How to pronounce smooth (audio) \

Medical Definition of smooth

: forming or being a colony with a flat shiny surface usually made up of organisms that form no chains or filaments, show characteristic internal changes, and tend toward marked increase in capsule formation and virulence used of dissociated strains of bacteria — compare rough

More from Merriam-Webster on smooth

Nglish: Translation of smooth for Spanish Speakers

Britannica English: Translation of smooth for Arabic Speakers


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