1. [n]  useless or profitless activity; using or expending or consuming thoughtlessly or carelessly; "if the effort brings no compensating gain it is a waste"; "mindless dissipation of natural resources"
2. [n]  (law) reduction in the value of an estate caused by act or neglect
3. [n]  the trait of wasting resources; "a life characterized by thriftlessness and waste"; "the wastefulness of missed opportunities"
4. [n]  an uninhabited wilderness that is worthless for cultivation; "the barrens of central Africa"; "the trackless wastes of the desert"
5. [n]  any materials unused and rejected as worthless or unwanted; "they collect the waste once a week"; "much of the waste material is carried off in the sewers"
6. [adj]  located in a dismal or remote area; desolate; "a desert island"; "a godforsaken wilderness crossroads"; "a wild stretch of land"; "waste places"
7. [adj]  disposed of as useless; "waste paper"
8. [v]  waste away; "Political prisoners are wasting away in many prisons all over the world"
9. [v]  devastate or ravage; "The enemy lay waste to the countryside after the invasion"
10. [v]  cause to grow thin or weak; "The treatment emaciated him"
11. [v]  lose vigor, health, or flesh, as through grief; "After her husband died, she just pined away"
12. [v]  spend extravagantly; "waste not, want not"
13. [v]  use inefficiently or inappropriately; "waste heat"; "waste a joke on an unappreciative audience"
14. [v]  get rid of; kill; "The mafia liquidated the informer"
15. [v]  run off as waste; "The water wastes back into the ocean"
16. [v]  get rid of; "We waste the dirty water by channeling it into the sewer"
17. [v]  spend thoughtlessly; throw away; "He wasted his inheritance on his insincere friends"

Waste
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1. \Waste\, n. (Phys. Geog.)
   Material derived by mechanical and chemical erosion from the
   land, carried by streams to the sea.
   

2. \Waste\, a. [OE. wast, OF. wast, from L. vastus,
   influenced by the kindred German word; cf. OHG. wuosti, G.
   w["u]st, OS. w?sti, D. woest, AS. w[=e]ste. Cf. {Vast}.]
   1. Desolate; devastated; stripped; bare; hence, dreary;
      dismal; gloomy; cheerless.
            The dismal situation waste and wild.  --Milton.
            His heart became appalled as he gazed forward into
            the waste darkness of futurity.       --Sir W.
                                                  Scott.
   2. Lying unused; unproductive; worthless; valueless; refuse;
      rejected; as, waste land; waste paper.
            But his waste words returned to him in vain.
                                                  --Spenser.
            Not a waste or needless sound, Till we come to
            holier ground.                        --Milton.
            Ill day which made this beauty waste. --Emerson.
   3. Lost for want of occupiers or use; superfluous.
            And strangled with her waste fertility. --Milton.
   {Waste gate}, a gate by which the superfluous water of a
      reservoir, or the like, is discharged.
   {Waste paper}. See under {Paper}.
   {Waste pipe}, a pipe for carrying off waste, or superfluous,
      water or other fluids. Specifically:
      (a) (Steam Boilers) An escape pipe. See under {Escape}.
      (b) (Plumbing) The outlet pipe at the bottom of a bowl,
          tub, sink, or the like.
   {Waste steam}.
      (a) Steam which escapes the air.
      (b) Exhaust steam.
   {Waste trap}, a trap for a waste pipe, as of a sink.
   

3. \Waste\, v. t. [imp. & p. p. {Wasted}; p. pr. & vb. n.
   {Wasting}.] [OE. wasten, OF. waster, guaster, gaster, F.
   g[^a]ter to spoil, L. vastare to devastate, to lay waste, fr.
   vastus waste, desert, uncultivated, ravaged, vast, but
   influenced by a kindred German word; cf. OHG. wuosten, G.
   w["u]sten, AS. w[=e]stan. See {Waste}, a.]
   1. To bring to ruin; to devastate; to desolate; to destroy.
            Thou barren ground, whom winter's wrath hath wasted,
            Art made a mirror to behold my plight. --Spenser.
            The Tiber Insults our walls, and wastes our fruitful
            grounds.                              --Dryden.
   2. To wear away by degrees; to impair gradually; to diminish
      by constant loss; to use up; to consume; to spend; to wear
      out.
            Until your carcasses be wasted in the wilderness.
                                                  --Num. xiv.
                                                  33.
            O, were I able To waste it all myself, and leave ye
            none!                                 --Milton.
            Here condemned To waste eternal days in woe and
            pain.                                 --Milton.
            Wasted by such a course of life, the infirmities of
            age daily grew on him.                --Robertson.
   3. To spend unnecessarily or carelessly; to employ
      prodigally; to expend without valuable result; to apply to
      useless purposes; to lavish vainly; to squander; to cause
      to be lost; to destroy by scattering or injury.
            The younger son gathered all together, and . . .
            wasted his substance with riotous living. --Luke xv.
                                                  13.
            Full many a flower is born to blush unseen, And
            waste its sweetness on the desert air. --Gray.
   4. (Law) To damage, impair, or injure, as an estate,
      voluntarily, or by suffering the buildings, fences, etc.,
      to go to decay.
   Syn: To squander; dissipate; lavish; desolate.
   

4. \Waste\, v. i.
   1. To be diminished; to lose bulk, substance, strength,
      value, or the like, gradually; to be consumed; to dwindle;
      to grow less.
            The time wasteth night and day.       --Chaucer.
            The barrel of meal shall not waste.   --1 Kings
                                                  xvii. 14.
            But man dieth, and wasteth away.      --Job xiv. 10.
   2. (Sporting) To procure or sustain a reduction of flesh; --
      said of a jockey in preparation for a race, etc.
   

5. \Waste\, n. [OE. waste; cf. the kindred AS. w?sten, OHG.
   w?st[=i], wuost[=i], G. w["u]ste. See {Waste}, a. & v.]
   1. The act of wasting, or the state of being wasted; a
      squandering; needless destruction; useless consumption or
      expenditure; devastation; loss without equivalent gain;
      gradual loss or decrease, by use, wear, or decay; as, a
      waste of property, time, labor, words, etc. ``Waste . . .
      of catel and of time.'' --Chaucer.
            For all this waste of wealth loss of blood.
                                                  --Milton.
            He will never . . . in the way of waste, attempt us
            again.                                --Shak.
            Little wastes in great establishments, constantly
            occurring, may defeat the energies of a mighty
            capital.                              --L. Beecher.
   2. That which is wasted or desolate; a devastated,
      uncultivated, or wild country; a deserted region; an
      unoccupied or unemployed space; a dreary void; a desert; a
      wilderness. ``The wastes of Nature.'' --Emerson.
            All the leafy nation sinks at last, And Vulcan rides
            in triumph o'er the waste.            --Dryden.
            The gloomy waste of waters which bears his name is
            his tomb and his monument.            --Bancroft.
   3. That which is of no value; worthless remnants; refuse.
      Specifically: Remnants of cops, or other refuse resulting
      from the working of cotton, wool, hemp, and the like, used
      for wiping machinery, absorbing oil in the axle boxes of
      railway cars, etc.
   4. (Law) Spoil, destruction, or injury, done to houses,
      woods, fences, lands, etc., by a tenant for life or for
      years, to the prejudice of the heir, or of him in
      reversion or remainder.
   Note: Waste is voluntary, as by pulling down buildings; or
         permissive, as by suffering them to fall for want of
         necessary repairs. Whatever does a lasting damage to
         the freehold is a {waste}. --Blackstone.
   5. (Mining) Old or abandoned workings, whether left as vacant
      space or filled with refuse.
   Syn: Prodigality; diminution; loss; dissipation; destruction;
        devastation; havoc; desolation; ravage.