gradually reducing the fullness and strength of the body: a wasting disease.
laying waste; devastating; despoiling: the ravages of a wasting war.
Geology, mass wasting.

1200–50; Middle English; see waste, -ing2, ing1

wastingly, adverb
wastingness, noun
nonwasting, adjective, noun
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World English Dictionary
wasting (ˈweɪstɪŋ)
(prenominal) reducing the vitality, strength, or robustness of the body: a wasting disease

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

c.1200, "devastate, ravage, ruin," from Anglo-Fr. and O.N.Fr. waster "to spoil, ruin" (O.Fr. guaster), altered (by influence of Frankish *wostjan) from L. vastare "lay waste," from vastus "empty, desolate, waste" (see vain). The word also existed in O.E. as westan. Meaning
"to lose strength or health; pine; weaken" is attested from c.1300; the sense of "squander, spend or consume uselessly" is first recorded mid-14c.; meaning "to kill" is from 1964. Wasted "intoxicated" is slang from 1950s. The adj. is recorded from late 13c.; waste-water is attested from mid-15c.; waste-paper first recorded 1580s.

c.1200, "desolate regions," from O.Fr. wast, from L. vastum, neut. of vastus "waste" (see waste (v.)); replacing O.E. westen, woesten "a desert, wilderness," from the L. word. Meaning "useless expenditure" is recorded from c.1300; sense of "refuse matter" is attested from
c.1430. Waste basket first recorded 1850.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

wasting adj.

  1. Gradually deteriorating; declining.

  2. Sapping the strength or substance of the body, as a disease; emaciating.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
waste  [%PREMIUM_LINK%]     (wāst)  Pronunciation Key 
Noun   An unusable or unwanted substance or material, such as a waste product. See also hazardous waste, landfill.

Verb   To lose or cause to lose energy, strength, weight, or vigor, as by the progressive effects of a disease such as metastatic cancer.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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