1. (

• slack

) avoid responsibilities and work, be idle ;

2. (

• slack

) be inattentive to, or neglect; "He slacks his attention" ;

3. (

• slack

) release tension on; "slack the rope" ;

4. (

• slack ,
• slacken ,
• slack_up ,
• relax ,

) make less active or fast; "He slackened his pace as he got tired"; "Don't relax your efforts now" ;

5. (

• slow ,
• slow_down ,
• slow_up ,
• slack ,
• slacken ,

) become slow or slower; "Production slowed" ;

6. (

• slake ,
• abate ,
• slack ,

) make less active or intense ;

7. (

• abate ,
• let_up ,
• slack_off ,
• slack ,
• die_away

) become less in amount or intensity; "The storm abated"; "The rain let up after a few hours" ;

8. (

• slack ,
• slake ,

) cause to heat and crumble by treatment with water; "slack lime" ;

1. (

• loose ,
• slack

) not tense or taut; "the old man's skin hung loose and grey"; "slack and wrinkled skin"; "slack sails"; "a slack rope"; "a slack grip" ;

2. (

• slack

) flowing with little speed as e.g. at the turning of the tide; "slack water" ;

3. (

• lax ,
• slack

) lacking in rigor or strictness; "such lax and slipshod ways are no longer acceptable"; "lax in attending classes"; "slack in maintaining discipline" ;