Definition of "Waste" :

noun: useless or profitless activity; using or expending or consuming thoughtlessly or carelessly

"If the effort brings no compensating gain it is a waste."

noun: (law) reduction in the value of an estate caused by act or neglect

noun: the trait of wasting resources

"A life characterized by thriftlessness and waste."

noun: an uninhabited wilderness that is worthless for cultivation

"The trackless wastes of the desert."

noun: any materials unused and rejected as worthless or unwanted

"They collect the waste once a week."

verb: become physically weaker

verb: cause extensive destruction or ruin utterly

"The enemy lay waste to the countryside after the invasion."

verb: cause to grow thin or weak

verb: lose vigor, health, or flesh, as through grief

verb: spend extravagantly

"Waste not, want not."

verb: use inefficiently or inappropriately

"Waste heat."

verb: get rid of (someone who may be a threat) by killing

verb: run off as waste

"The water wastes back into the ocean."

verb: get rid of

"We waste the dirty water by channeling it into the sewer."

verb: spend thoughtlessly; throw away

"He wasted his inheritance on his insincere friends."

adjective: located in a dismal or remote area; desolate

"Waste places."