waste

1.any materials unused and rejected as worthless or unwanted;

they collect the waste once a week

2.useless or profitless activity; using or expending or consuming thoughtlessly or carelessly;

if the effort brings no compensating gain it is a waste

3.the trait of wasting resources;

a life characterized by thriftlessness and waste

4.an uninhabited wilderness that is worthless for cultivation;

the barrens of central Africa

5.(law) reduction in the value of an estate caused by act or neglect

6.disposed of as useless;

waste paper

7.located in a dismal or remote area; desolate;

a desert island

1.spend thoughtlessly; throw away;

He wasted his inheritance on his insincere friends

2.use inefficiently or inappropriately;

waste heat

3.get rid of;

We waste the dirty water by channeling it into the sewer

4.run off as waste;

The water wastes back into the ocean

5.get rid of (someone who may be a threat) by killing;

The mafia liquidated the informer

6.spend extravagantly;

waste not, want not

7.lose vigor, health, or flesh, as through grief;

After her husband died, she just pined away

8.cause to grow thin or weak;

The treatment emaciated him

9.devastate or ravage;

The enemy lay waste to the countryside after the invasion

10. waste away;

Political prisoners are wasting away in many prisons all over the world