slacken
verb /ˈslækən/
  /ˈslækən/
Verb Forms
| present simple I / you / we / they slacken |  /ˈslækən/  /ˈslækən/ | 
| he / she / it slackens |  /ˈslækənz/  /ˈslækənz/ | 
| past simple slackened |  /ˈslækənd/  /ˈslækənd/ | 
| past participle slackened |  /ˈslækənd/  /ˈslækənd/ | 
| -ing form slackening |  /ˈslækənɪŋ/  /ˈslækənɪŋ/ | 
- [intransitive, transitive] to gradually become, or to make something become, slower, less active, etc. synonym relax- slacken (off) We've been really busy, but things are starting to slacken off now.
- slacken something She slackened her pace a little (= walked a little more slowly).
 Oxford Collocations Dictionaryadverb- a bit
- a little
- slightly
- …
 
- [intransitive, transitive] to become, or to make something become, less tight synonym loosen- His grip slackened and she pulled away from him.
- slacken something He slackened the ropes slightly.
- Slacken off the ropes.
 Oxford Collocations Dictionaryadverb- a bit
- a little
- slightly
- …