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

A pre-emptive move designed to further smoothen the entry of Harley Davidsons into India – and, Delhi hopes, ward off any threat of tariffs.

From BBC • Feb. 4, 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

Frequently, when the disk has been used on alfalfa, it may also be advantageous to run a light harrow over the ground to smoothen the surface.

From Clovers and How to Grow Them by Shaw, Thomas

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