Akademik

slackening
noun
an occurrence of control or strength weakening
-

the relaxation of requirements

-

the loosening of his grip

-

the slackening of the wind

Syn: ↑relaxation, ↑loosening
Derivationally related forms: ↑slacken, ↑loosen (for: ↑loosening), ↑relax (for: ↑relaxation)
Hypernyms: ↑weakening
Hyponyms: ↑thaw

Useful english dictionary. 2012.