1
as in loosens
to make less taut
you'll need to slacken the rope a bit to get it free of that post
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in slows
to cause to move or proceed at a less rapid pace
drivers need to slacken their speed as they approach the sharp curve
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for slackens
Verb
-
When force is applied in the driving direction, torque tightens or loosens a fastener.—
Maryna Holovnova,
New Atlas,
13 Feb. 2026 -
Being a fan of a cultural artifact means being a passionate reader (in a broader sense that also includes viewer, listener, audience, co-creator, and that also loosens and points out the porous border between work, creator, recipient).—
Literary Hub,
Literary Hub,
13 Feb. 2026
Verb
-
Watching the same problems repeat because no one slows things down is what pushed me to run.—
Charlotte Observer,
Charlotte Observer,
14 Feb. 2026
-
Freezing significantly slows this process and helps preserve both flavor and freshness.—
Alexandra Emanuelli,
Southern Living,
12 Feb. 2026
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Cite this Entry
“Slackens.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slackens. Accessed 15 Feb. 2026.
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