as in softening
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1
as in loosening
to make less taut
you'll need to slacken the rope a bit to get it free of that post
Synonyms & Similar Words
Antonyms & Near Antonyms
2
as in slowing
to cause to move or proceed at a less rapid pace
drivers need to slacken their speed as they approach the sharp curve
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of slackening
Sasha Geffen, Pitchfork, 21 Jan. 2026
There was still a risk of more flash flooding and mudslides Friday despite slackening rain around Los Angeles, the National Weather Service warned.
—Ty Oneil, Arkansas Online, 27 Dec. 2025
Verb
Hammers tapped slackening fibers and instead of the pleasant overtones of a major scale, a nauseating cacophony swelled from the instrument’s wooden belly.
—Sasha Geffen, Pitchfork, 21 Jan. 2026
There was still a risk of more flash flooding and mudslides Friday despite slackening rain around Los Angeles, the National Weather Service warned.
—Ty Oneil, Arkansas Online, 27 Dec. 2025
Recent Examples of Synonyms for slackening
Verb
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Erdoğan centralized power around himself but also pushed for loosening the country’s borders and extending Turkey’s influence into the region—into Syria, Iraq, Libya, Azerbaijan, and beyond—as a crucial part of Turkey’s new mission and ideology.—
Literary Hub,
Literary Hub,
29 Apr. 2026
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Many Republicans oppose loosening marijuana restrictions.—
ABC News,
ABC News,
23 Apr. 2026
Verb
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Bain walked purposefully, never slowing, never stopping — not even to size himself up in his new Bucs hat in the mirror — before striding onstage for a hug with the commissioner.—
Zak Keefer,
New York Times,
27 Apr. 2026
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Orders for its heavy-duty natural gas turbines aren’t slowing down anytime soon as hyperscalers pour billions into data center construction.—
Morgan Chittum,
CNBC,
25 Apr. 2026
Adjective
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Gold rose on Tuesday, but remained on track for its steepest monthly decline since October 2008, as persistent inflation worries and expectations of higher interest rates due to the impact of the Iran war weighed on the non-yielding metal.—
Ashitha Shivaprasad,
USA Today,
31 Mar. 2026
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The prospect of higher interest rates as a result of the war could boost government bonds among investors, at the expense of non-yielding precious metals, market strategists told CNBC recently.—
Joseph Wilkins,Hugh Leask,
CNBC,
23 Mar. 2026
Verb
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Today's industrial stocks include a company that makes braking systems for trains out of Wilmerding, Pennsylvania as well as a trucking manufacturer in Bellevue, Washington.—
Josh Brown,Sean Russo,
CNBC,
20 Apr. 2026
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Reigniting its engines for two braking burns, the booster settled onto the ship for a smoky but on-target touchdown less than 10 minutes after liftoff.—
Stephen Clark,
ArsTechnica,
19 Apr. 2026
Cite this Entry
“Slackening.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slackening. Accessed 2 May. 2026.
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