- to make or become less active, vigorous, intense, etc.
- to make or become looser or less taut.
Origin of slacken
SynonymsSee more synonyms for slacken on Thesaurus.com
1, 2. relax, loosen, slack, abate.
2. tighten, tense.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for slackened
To the bewilderment of the Leopard Woman the pace of the safari now slackened.The Leopard Woman
Stewart Edward White
But Philip slackened not his pace; he began to distance his pursuers.Night and Morning, Complete
Stanley's jaw dropped, but it was surprise which slackened the muscles.Good Indian
B. M. Bower
That moment Turkey slackened his pace, and burst into a fit of laughter.Ranald Bannerman's Boyhood
But when she found herself alone in the midst of the crowd, she slackened her pace.L'Assommoir
- to make or become looser
- to make or become slower, less intense, etc
Word Origin and History for slackened
Online Etymology Dictionary, © 2010 Douglas Harper