Definition of slacken
- slacken speed at a crossing
- slacken sail
Sales show no sign of slackening.
As he began to relax, his grip on the steering wheel slackened.
The captain ordered us to slacken the sails.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'slacken.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: to become slower or less active : to slow down
: to make (something) slower or less active
: to become less tight or to make (something) less tight
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