名詞 withering:

1. any weakening or degeneration (especially through lack of use)
   同義詞：atrophy

動(dòng)詞 wither:

1. wither, as with a loss of moisture
   同義詞：shrivel, shrivel up, shrink, wither
2. lose freshness, vigor, or vitality
   同義詞：fade, wither

形容詞 withering:

1. wreaking or capable of wreaking complete destruction
   同義詞：annihilative, annihilating, devastating
2. making light of- W.S.Gilbert
   同義詞：annihilating, devastating

1. Older people are complaining that the old values are withering away in this free society.
   上了年紀(jì)的人抱怨說(shuō)，在這個(gè)自由社會(huì)里，老的價(jià)值觀念正在逐漸消失。
2. The poor man is withering away.
   這個(gè)可憐的人已經(jīng)奄奄一息了。

with.er.ing

adj.（形容詞）
Tending to overwhelm or destroy; devastating:
毀滅的，衰退的：傾向于淹沒(méi)的或破壞的；毀滅的：
例句：
withering sarcasm.
毀滅性的諷刺

【引伸】
with.eringly
adv.（副詞）