wither up(redirected from withers up)
1. To become dried or shriveled due or as due to a lack of water. The neighbor forgot to come water our plants, so they all withered up while we were gone. It is so arid here that you have to water the flowers twice a day to keep them from withering up.
2. To lose force or vigor and fade away. All of the enthusiasm among his constituency that got the senator elected the first time around has long since withered up. I feel like my excitement and pleasure for things I used to love has withered up recently.
3. To become aged and decrepit; to lose the bloom or freshness of youth. Everyone is scared to death of getting old and withering up, but it's just a natural part of life. Embrace it, I say! I know you think your skin will stay smooth and supple forever, but it'll wither up eventually, just like it does for everyone else.
to shrivel up. It was so hot that the leaves of the trees withered up.