Definitions:

1. to become looser or slack verb
   • The rope slackened as I came closer.
2. to become slow or slower verb
   • The pace slackened as the marathon continued.
3. to make less active or fast verb
   • We slackened our pace as we got tired.
4. to make slack as by lessening tension or firmness verb
   • I slackened the wire to bring it closer to the ground.

Synonyms:

• remit
• slack
• slow

NearBy Words:

• slackening