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
6
a
: not sharp or harsh
a smooth sherry
b
: free from lumps
smooth
adverb
smoothly
adverb
smoothness
noun
smoothed; smoothing; smooths also smoothes
1
: to make smooth
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
Brian Crozier4
: 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
: to become smooth
smoother
noun
Synonyms
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.
Recent Examples on the Web
Shomik Mukherjee, The Mercury News, 15 Nov. 2024
Trump thanked President Joe Biden for a smooth transition of power during their White House meeting.
—Elizabeth Robinson, NBC News, 14 Nov. 2024
Mia Meltzer, Rolling Stone, 1 Nov. 2024
The speaker grille on the Super Linton has an improved design with internal shaping to smooth the power output of the midrange and treble units while enhancing the transition through the crossover region.
—Mark Sparrow, Forbes, 1 Nov. 2024
Nora Colomer, Fox News, 23 Oct. 2024
Formulated for dry skin types, this hydrating cream smooths your roughest parts while being light and fast-absorbing enough for your face.
—Jennifer Hussein, Allure, 29 Oct. 2024
See all Example Sentences for smooth 
Examples are automatically compiled from online sources to
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Adjective
Returning from larger stomping grounds to run one of the state’s most diverse cities is not always the smoothest transition, political experts have said.
—Shomik Mukherjee, The Mercury News, 15 Nov. 2024
Trump thanked President Joe Biden for a smooth transition of power during their White House meeting.
—Elizabeth Robinson, NBC News, 14 Nov. 2024
Verb
It’s made with a sugar and coconut oil blend to smooth and moisturize after gently exfoliating your scalp or body.
—Mia Meltzer, Rolling Stone, 1 Nov. 2024
The speaker grille on the Super Linton has an improved design with internal shaping to smooth the power output of the midrange and treble units while enhancing the transition through the crossover region.
—Mark Sparrow, Forbes, 1 Nov. 2024
Noun
Fenty Beauty's amplifying eye primer, $22, smooths lids for better blending and longer, crease-proof wear.
—Nora Colomer, Fox News, 23 Oct. 2024
Formulated for dry skin types, this hydrating cream smooths your roughest parts while being light and fast-absorbing enough for your face.
—Jennifer Hussein, Allure, 29 Oct. 2024
See all Example Sentences for smooth
Dictionary Entries Near smooth
Cite this Entry
“Smooth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/smooth. Accessed 26 Nov. 2024.
Copy CitationKids Definition
smooth
1 of 2 adjective1
a
: having a continuous even surface : not rough
a smooth skin
b
: not hairy
2
: free from obstacles or difficulties
a smooth path
3
: even and uninterrupted in flow or flight
4
: flattering but not truthfully so
a smooth talker
6
: not sharp or harsh
a smooth sherry
smoothly
adverb
smoothness
noun
smooth
2 of 2 verb1
: to make smooth
smooth the edge of a board
2
3
: to make (as a fault) seem of little importance in order to avoid bad feelings
smoothed things over with apologies
4
: to free from trouble or difficulty
smoothed the way for a quick end to the dispute
5
: to press flat
smoothed down the folds of the tablecloth
6
: to cause to lie evenly and in order : preen
smooths down its feathers
smoother
noun
Medical Definition
smooth
adjective
: 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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