Word: forslack
Part of speech: Verb
Syllables: for
slack
Definition: To slack up; be or grow slack; pall.
Morphemes:
Affix: for-
Language: en
PoS: Prefix
Meaning: Completely; to the fullest extent; superseded by combinations with up in senses where no upward movement is involved, e.g. forgive = "give up (one's offenses)", forgather = "gather up", forbeat = "beat up".
Affix: slack
Language: en
PoS: Verb
Meaning: To slacken; make less active or fast