polish-off

(v) finish a task completely
- I finally got through this homework assignment
finish off, finish up, get through, clear up, wrap up, mop up,
(v) kill intentionally and with premeditation
- The mafia boss ordered his enemies murdered
bump off, murder, off, slay, dispatch, remove, hit,
(v) finish eating all the food on one's plate or on the table
- She polished off the remaining potatoes
eat up, finish,

finish off finish up get through clear up wrap up mop up bump off murder off slay dispatch remove hit eat up finish