slacker Meaning, Definition & Usage

1. noun a person who shirks his work or duty (especially one who tries to evade military service in wartime)
   shirker.
   
2. adjective satellite not tense or taut
   loose; slack.
   
   • the old man's skin hung loose and grey
   • slack and wrinkled skin
   • slack sails
   • a slack rope
3. adjective satellite flowing with little speed as e.g. at the turning of the tide
   slack.
   
   • slack water
4. adjective satellite lacking in rigor or strictness
   lax; slack.
   
   • such lax and slipshod ways are no longer acceptable
   • lax in attending classes
   • slack in maintaining discipline

WordNet