slack
Pronunciation: 'slak
Function: adjective
Etymology: Middle English slak, from Old English sleac;
akin to Old High German slah slack, Latin laxus slack, loose,
languEre to languish, Greek lagnos lustful and perhaps to
Greek lEgein to stop
Date: before 12th century
1 : not using due diligence, care, or dispatch : NEGLIGENT
2 a : characterized by slowness, sluggishness, or lack of
energy b : moderate in some quality;
especially : moderately warm c : blowing or
flowing at low speed
3 a : not tight or taut b : lacking in usual or
normal firmness and steadiness : WEAK

4 : wanting in activity : DULL
5 : lacking in completeness, finish, or perfection slack piece of work>
synonym see NEGLIGENT
- slack·ly adverb
- slack·ness noun