Definition of Smooth

1. Adjective. Having a surface free from roughness or bumps or ridges or irregularities. "Water as smooth as a mirror"

2. Verb. Make smooth or smoother, as if by rubbing. "Smooth the surface of the wood"
Exact synonyms: Smoothen
Specialized synonyms: Strip, Launch, Rake, Plane, Float, Sand, Sandpaper, Sandblast, File
Generic synonyms: Change Surface
Entails: Rub
Antonyms: Roughen
Also: Smooth Over
Derivative terms: Smoother

3. Noun. The act of smoothing. "He gave his hair a quick smooth"
Generic synonyms: Accomplishment, Achievement

4. Adjective. Smoothly agreeable and courteous with a degree of sophistication. "The manager pacified the customer with a smooth apology for the error"
Exact synonyms: Bland, Politic, Suave
Similar to: Diplomatic, Diplomatical
Derivative terms: Blandness, Blandness, Smoothness, Suaveness, Suavity

5. Verb. Make (a surface) shine. "They smooth the glass tubes"; "Polish my shoes"
Exact synonyms: Polish, Shine, Smoothen
Generic synonyms: Beautify, Embellish, Fancify, Prettify
Specialized synonyms: Simonise, Simonize, Sleek, Slick, Buff, Burnish, Furbish, Gloss
Entails: Rub
Derivative terms: Polish, Polish, Polisher, Polishing, Shining

6. Adjective. Of the margin of a leaf shape; not broken up into teeth.
Category relationships: Botany, Phytology
Also: Simple, Unsubdivided, Compound
Similar to: Entire, Repand, Sinuate, Undulate, Unnotched, Untoothed
Antonyms: Rough
Derivative terms: Smoothness

7. Verb. Free from obstructions. "Smooth the way towards peace negotiations"
Exact synonyms: Smooth Out
Generic synonyms: Disembarrass, Free, Rid

8. Adjective. Smooth and unconstrained in movement. "The liquid grace of a ballerina"
Exact synonyms: Fluent, Fluid, Liquid
Similar to: Graceful
Derivative terms: Smoothness

9. Adjective. (music) without breaks between notes; smooth and connected. "A legato passage"
Exact synonyms: Legato
Category relationships: Music
Antonyms: Staccato
Derivative terms: Smoothness

10. Adjective. Of motion that runs or flows or proceeds without jolts or turbulence. "A smooth ride"
Antonyms: Rough
Derivative terms: Smoothness

11. Adjective. Lacking obstructions or difficulties. "The bill's path through the legislature was smooth and orderly"
Similar to: Easy
Derivative terms: Smoothness

12. Adjective. (of a body of water) free from disturbance by heavy waves. "Unruffled water"

Definition of Smooth

1. a. Having an even surface, or a surface so even that no roughness or points can be perceived by the touch; not rough; as, smooth glass; smooth porcelain.

2. adv. Smoothly.

3. n. The act of making smooth; a stroke which smooths.

4. v. t. To make smooth; to make even on the surface by any means; as, to smooth a board with a plane; to smooth cloth with an iron.

5. v. i. To flatter; to use blandishment.

Definition of Smooth

1. Adjective. Having a texture that lacks friction. Not rough. ¹

2. Adjective. Without difficulty, problems, or unexpected consequences or incidents. ¹

3. Adjective. bland; glib ¹

4. Adjective. (context: of a person) suave; sophisticated ¹

5. Adjective. (context: of an action) natural; unconstrained ¹

6. Adjective. (context: of a motion) unbroken ¹

7. Adjective. (chiefly of water) placid, calm. ¹

8. Adjective. (context: of an edge) Lacking projections or indentations; not serrated. ¹

9. Adjective. (context: of food or drink) Not grainy; having an even texture. ¹

10. Adjective. (context: of a beverage) Having a pleasantly rounded flavor; neither rough nor astringent. ¹

11. Adjective. (mathematics of a function) Having derivatives of all finite orders at all points within the function’s domain. ¹

12. Adjective. (linguistics classical studies of a vowel) Lacking marked aspiration. ¹

13. Adverb. Smoothly. ¹

14. Noun. Something which is smooth or easy. ¹

15. Noun. A smoothing action. ¹

16. Noun. A domestic animal having a smooth coat. ¹

17. Noun. A member of an anti-hippie fashion movement in 1970s Britain. ¹

18. Noun. (statistics) The analysis obtained through a smoothing procedure. ¹

19. Verb. To make smooth. ¹

20. Verb. (statistics image processing digital audio) To capture important patterns in the data, while leaving out noise. ¹

¹ Source:

Definition of Smooth

1. having a surface that is free from irregularities [adj SMOOTHER, SMOOTHEST] / to make smooth [v -ED, -ING, -S or -ES] - See also: smooth

Medical Definition of Smooth

1. 1. Having an even surface, or a surface so even that no roughness or points can be perceived by the touch; not rough; as, smooth glass; smooth porcelain. "The outlines must be smooth, imperceptible to the touch, and even, without eminence or cavities." (Dryden) 2. Evenly spread or arranged; sleek; as, smooth hair. 3. Gently flowing; moving equably; not ruffled or obstructed; as, a smooth stream. 4. Flowing or uttered without check, obstruction, or hesitation; not harsh; voluble; even; fluent. "The only smooth poet of those times." (Milton) "Waller was smooth; but Dryden taught to join The varying verse, the full-resounding line." (Pope) "When sage Minerva rose, From her sweet lips smooth elocution flows." (Gay) 5. Bland; mild; smoothing; fattering. "This smooth discourse and mild behavior oft Conceal a traitor." (Addison) 6. Causing no resistance to a body sliding along its surface; frictionless. Smooth is often used in the formation of selfexplaining compounds; as, smooth-bodied, smooth-browed, smooth-combed, smooth-faced, smooth-finished, smooth-gliding, smooth-grained, smooth-leaved, smooth-sliding, smooth-speaking, smooth-woven, and the like. Synonym: Even, plain, level, flat, polished, glossy, sleek, soft, bland, mild, soothing, voluble, flattering, adulatory, deceptive. Origin: OE. Smothe, smethe, AS. Smethe, smoe

Lexicographical Neighbors of Smooth

smooth (current term)
smooth-haired fox terrier
smooth-leaved elm
smooth-surfaced endoplasmic reticulum
smooth alder
smooth as a baby's bottom
smooth as silk
smooth aster
smooth bark kauri
smooth call

Literary usage of Smooth

Below you will find example usage of this term as found in modern and/or classical literature:

1. Report (1904)
"The former is characterized by its thin, rather smooth and flaky bark, while the latter has rough, heavily ridged bark. Occasionally, specimens of the rough ..."

2. Microscopical Morphology of the Animal Body in Health and Disease by Carl Heitzmann (1882)
"In the tissue of the unstriped, smooth, or involuntary muscle the ... smooth muscle is constructed of spindle-shaped plastids, which are usually nucleated, ..."

3. An Outline of Psychobiology by Knight Dunlap (1914)
"smooth muscle resembles cardiac muscle in having active power of its own. ... In general smooth muscle responds to all the artificial stimuli to which ..."

4. The pilgrim's progress from this world to that which is to come by John Bunyan (1879)
"... my Lord Time-server, my Lord Fair-speech, (from whose ancestors that town first took its name,) also Mr smooth-man, Mr Facing-both-ways, Mr Any-thing; ..."

5. A Treatise on Statics with Applications to Physics by George Minchin Minchin (1884)
"smooth surface. When a body is placed in contact with a surface, ... If the surface be perfectly smooth, it can react on any body in contact with it only in ..."

6. A Systematic Arrangement of British Plants: With an Easy Introduction to the by William Withering (1801)
"^A^hole plant smooth. Stem upright. Leaves oblong, the upper heart-shaped. ... Leave* spear-shaped, smooth. Calyx ribs rough with hair. ..."

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