1

smooth

adjective \ ˈsmüt͟h \
Updated on: 15 Nov 2017

Definition of smooth

1 a (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
5 a : serene, equable
  • a smooth disposition
6 a : not sharp or harsh
  • a smooth sherry
b : free from lumps

smooth

adverb

smoothly

adverb

smoothness

noun

Examples of smooth in a Sentence

  1. They groomed the ski trail so it was smooth.

  2. The river rocks had been worn smooth by the water.

  3. Whisk the flour into the gravy until it is smooth.

  4. The milkshake was smooth and creamy.

  5. With the aid of observers, the election process was a smooth one.

  6. Our trip was smooth and uneventful.

  7. the smooth movements of a swimmer

  8. She has a nice, smooth golf swing.

  9. His new car has a smooth ride.

  10. Our flight was very smooth.

Recent Examples of smooth from the Web

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.

Origin and Etymology of smooth

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

Synonym Discussion of 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

2

smooth

verb

Definition of smooth

smoothed; smoothing; smooths also smoothes
transitive verb
1 : to make smooth
2 a : 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
5 a : 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

smoother

noun

Examples of smooth in a Sentence

  1. He smoothed his tie and headed out the door.

  2. The coin's date had been smoothed away over time.

  3. Smooth the cream on after your shower.

  4. Smooth the wax over the wood before polishing.

  5. She smoothed on some moisturizer before she put on her makeup.

  6. He smoothed ointment over the cut.

Recent Examples of smooth from the Web

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

15th century


3

smooth

noun

Definition of smooth

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

Recent Examples of smooth from the Web

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

15th century



SMOOTH Defined for English Language Learners

smooth

adjective

Definition of smooth for English Language Learners

  • : having a flat, even surface : not rough : not having any bumps, ridges, or uneven parts

  • of a liquid mixture : not having any lumps : mixed together so there are no lumps

  • : happening or done without any problems


smooth

verb

Definition of smooth for English Language Learners

  • : to make (something) smooth

  • : to remove problems or difficulties from a situation

  • : to spread (something) over a surface (such as your skin) : to apply (something) by rubbing it on a surface


SMOOTH Defined for Kids

1

smooth

adjective \ ˈsmüt͟h \

Definition of smooth for Students

smoother; smoothest
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

smoothly

adverb

smoothness

noun

2

smooth

verb

Definition of smooth for Students

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

Medical Dictionary

smooth

adjective \ ˈsmüt͟h \

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


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