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tr. & intr.v. smooth·ened, smooth·en·ing, smooth·ens
To make or become smooth.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


to make or become smooth
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈsmu ðən)

v.t., v.i.
to make or become smooth.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


Past participle: smoothened
Gerund: smoothening

I smoothen
you smoothen
he/she/it smoothens
we smoothen
you smoothen
they smoothen
I smoothened
you smoothened
he/she/it smoothened
we smoothened
you smoothened
they smoothened
Present Continuous
I am smoothening
you are smoothening
he/she/it is smoothening
we are smoothening
you are smoothening
they are smoothening
Present Perfect
I have smoothened
you have smoothened
he/she/it has smoothened
we have smoothened
you have smoothened
they have smoothened
Past Continuous
I was smoothening
you were smoothening
he/she/it was smoothening
we were smoothening
you were smoothening
they were smoothening
Past Perfect
I had smoothened
you had smoothened
he/she/it had smoothened
we had smoothened
you had smoothened
they had smoothened
I will smoothen
you will smoothen
he/she/it will smoothen
we will smoothen
you will smoothen
they will smoothen
Future Perfect
I will have smoothened
you will have smoothened
he/she/it will have smoothened
we will have smoothened
you will have smoothened
they will have smoothened
Future Continuous
I will be smoothening
you will be smoothening
he/she/it will be smoothening
we will be smoothening
you will be smoothening
they will be smoothening
Present Perfect Continuous
I have been smoothening
you have been smoothening
he/she/it has been smoothening
we have been smoothening
you have been smoothening
they have been smoothening
Future Perfect Continuous
I will have been smoothening
you will have been smoothening
he/she/it will have been smoothening
we will have been smoothening
you will have been smoothening
they will have been smoothening
Past Perfect Continuous
I had been smoothening
you had been smoothening
he/she/it had been smoothening
we had been smoothening
you had been smoothening
they had been smoothening
I would smoothen
you would smoothen
he/she/it would smoothen
we would smoothen
you would smoothen
they would smoothen
Past Conditional
I would have smoothened
you would have smoothened
he/she/it would have smoothened
we would have smoothened
you would have smoothened
they would have smoothened
Collins English Verb Tables © HarperCollins Publishers 2011
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.smoothen - make smooth or smoother, as if by rubbing; "smooth the surface of the wood"
strip - remove the thread (of screws)
change surface - undergo or cause to undergo a change in the surface
launch - smoothen the surface of; "launch plaster"
rake - level or smooth with a rake; "rake gravel"
plane - make even or smooth, with or as with a carpenter's plane; "plane the top of the door"
float - make the surface of level or smooth; "float the plaster"
sand, sandpaper - rub with sandpaper; "sandpaper the wooden surface"
sandblast - grind with a sandblast; "sandblast the facade of the building"
file - smooth with a file; "file one's fingernails"
2.smoothen - make (a surface) shine; "shine the silver, please"; "polish my shoes"
beautify, fancify, prettify, embellish - make more beautiful
Simonise, Simonize - polish with wax; "The motorcycle has been Simonized"
sleek, slick - make slick or smooth
burnish, furbish, buff - polish and make shiny; "buff the wooden floors"; "buff my shoes"
gloss - give a shine or gloss to, usually by rubbing
3.smoothen - become smooth
change - undergo a change; become different in essence; losing one's or its original nature; "She changed completely as she grew older"; "The weather changed last night"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


(smuːð) adjective
1. having an even surface; not rough. Her skin is as smooth as satin.
2. without lumps. Mix the ingredients to a smooth paste.
3. (of movement) without breaks, stops or jolts. Did you have a smooth flight from New York?
4. without problems or difficulties. a smooth journey; His progress towards promotion was smooth and rapid.
5. (too) agreeable and pleasant in manner etc. I don't trust those smooth salesmen.
1. (often with down, ~out etc) to make (something) smooth or flat. She tried to smooth the creases out.
2. (with into or over). to rub (a liquid substance etc) gently over (a surface): Smooth the moisturizing cream into/over your face and neck.
ˈsmoothen verb
to make smooth.
ˈsmoothly adverb
The plane landed smoothly; The meeting went very smoothly.
ˈsmoothness noun
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
References in periodicals archive ?
While it boasts an immediate brightening and smoothening effect, some are worried that the hair might grow thicker or darker.
lt t Among the most demanded treatments is Revlite, a non-invasive laser treatment that stimulates collagen production, brightening and smoothening the skin by targeting pigmentation, sun damage, enlarged pores, wrinkles and lines and aging skin.
This stabilisation funds was designed to promote local development by smoothening spending during boom and burst period (Wolf, 2009).
Keratin is a protein that keeps the hair elastic and is responsible for smoothening, flattening, and strengthening each strand.
Insert the smoothening tool into the cavity (hole) caused by the object.
He commended all the relevant authorities that have collaborated and contributed to smoothening follow of trucks and thus bolstering trade.
Adhuna Bhabani Akhtar, celebrity hairstylist said that there are three basic ways to chemically straighten hair - by rebonding, smoothening or by keratin treatment, depending on how straight the hair is required to be.
We do cutting, filing, trimming, smoothening, massaging and all sorts of grooming for the falcons," chief vet and director of the hospital Margit Gabriele Muller told XPRESS.
Zeus Worldwide now launches a range of smoothening variants from Amazon Keratin for a straight smooth sleek look of the hair, on popular demand from salon professionals Zeus Worldwide which is popularly known for their existing range of Keratin treatments have again introduced economically priced bottles with every product having a MSDS ( Material Safety Data Sheet) in hand.
The total adjustment was RUB 1,492mn, of which RUB 1,137mn was related to revenue smoothening and another RUB 307mn was TSO (which had no effect on earnings).
The new accord enhances Charkit's ability to offer CRM's natural and vegetable butters, silk olea oils, waxes and emulsifiers and many other natural ingredients for cosmetic, skin and hair care products as well as smoothening and moisturizing components for therapeutic pharmaceutical applications.