verb
wither
WITH-er/ˈwɪðər/
To dry up or lose strength and vitality.
Without enough water, the flowers wither in the summer heat.

Etymology
Middle English widderen meant drying up or losing vitality and apparently developed from a verb meaning “expose to weather.” The loss of freshness in plants also became an image for declining human strength.
In context
his leaves began to wither and drop away until his once beautiful foliage was all but gone
More examples
- The neglected seedlings have withered in their pots.
- Her enthusiasm withers when every suggestion meets resistance.
- Their influence began to wither after years of poor decisions.
Forms
wither · withers · withered · withering