Simple Definition of slacken
: 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
Full Definition of slacken
Examples of slacken in a sentence
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.
First Known Use of slacken
Synonym Discussion of slacken
delay, procrastinate, lag, loiter, dawdle, dally mean to move or act slowly so as to fall behind. delay usually implies a putting off (as a beginning or departure) <we cannot delay any longer>. procrastinate implies blameworthy delay especially through laziness or apathy <procrastinates about making decisions>. lag implies failure to maintain a speed set by others <lagging behind in technology>. loiter and dawdle imply delay while in progress, especially in walking, but dawdle more clearly suggests an aimless wasting of time <loitered at several store windows> <children dawdling on their way home from school>. dally suggests delay through trifling or vacillation when promptness is necessary <stop dallying and get to work>.
SLACKEN Defined for Kids
Definition of slacken for Students
1 : to make slower or less energetic <The wind slackened.>
2 : to make less tight or firm <She slackened the reins.>
Seen and Heard
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