smoothen

American

[smoo-thuhn] / ˈsmu ðən /

verb (used with or without object)

to make or become smooth.

smoothen British

/ ˈsmuːðən /

verb

to make or become smooth

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

unsmoothened

adjective

Etymology

Origin of smoothen

First recorded in 1625–35; smooth + -en ¹

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

ANZ’s Nim expects the RBI to continue to smoothen the rupee’s decline without stepping in aggressively.

From The Wall Street Journal • Dec. 3, 2025

The deal with the EU seeks to smoothen frictions in trade, but there are a whole load of details and specifics, timeframes and costs still to be haggled over and sorted.

From BBC • May 19, 2025

Schaffner said he expects some of the wrinkles in the rollout to smoothen out over time.

From Salon • Sep. 28, 2023

“But I feel like I’m supposed to fight through this pain, I’m gonna smoothen out my swing. ... I got the big injury but it’s actually making my swing super smooth.”

From Los Angeles Times • Jun. 14, 2023

Heaven is my witness that I have endeavoured of my best lights to smoothen the path for her well-born and at present bereaved feet.

From Rita by Barry, Etheldred B. (Etheldred Breeze)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023