名詞 wasting:

1. any general reduction in vitality and strength of body and mind resulting from a debilitating chronic disease
   同義詞：cachexia, cachexy
2. a decrease in size of an organ caused by disease or disuse
   同義詞：atrophy, wasting away

動詞 waste:

1. spend thoughtlessly; throw away
   同義詞：waste, blow, squander
2. use inefficiently or inappropriately
   同義詞：waste
3. get rid of
   同義詞：waste
4. run off as waste
   同義詞：waste, run off
5. get rid of (someone who may be a threat) by killing
   同義詞：neutralize, neutralise, liquidate, waste, knock off, do in
6. spend extravagantly
   同義詞：consume, squander, waste, ware
7. lose vigor, health, or flesh, as through grief
   同義詞：pine away, waste, languish
8. cause to grow thin or weak
   同義詞：waste, emaciate, macerate
9. devastate or ravage
   同義詞：lay waste to, waste, devastate, desolate, ravage, scourge
10. waste away
    同義詞：waste, rot

1. We had to listen to a long sermon about not wasting money.
   我們硬著頭皮聽了一通別浪費錢的大道理。
2. He won't pay attention to anybody. You're just wasting your breath.
   他誰的話都不聽，你只是在白費口舌。
3. Try to get through to him that he's wasting his life in that job.
   設(shè)法讓他明白做那種工作是浪費生命。
4. It's no use wasting any more words on him.
   你跟他再多說也是沒用的。
5. Hurry up, we're wasting time.
   快點兒吧，我們別再浪費時間了。

wast.ing

adj.（形容詞）
Gradually deteriorating; declining:
減少的：使逐漸腐朽的；減少的：
例句：
the wasting process of erosion.
侵蝕作用的逐漸腐朽過程

Sapping the strength, energy, or substance of the body; emaciating:
使消瘦的：消耗力量、能量或身體物質(zhì)的；使消瘦的：
例句：
a wasting disease.
消蝕性疾病

【引伸】
wast.ingly
adv.（副詞）