Bedeutung von “slacken” — Learner’s Dictionary

slacken

verb [ I, T ] us uk /ˈslækən/
SLOW

to become slower or less active, or to make something become slower or less active:

Economic growth is slackening.
LOOSE

to become loose, or to make something become loose:

As you get older your muscles slacken.

(Definition von “slacken” aus dem Cambridge Learner's Dictionary © Cambridge University Press)