Webster's Revised Unabridged Dictionary · 1913

Wilt

Wilt , 2d pers. sing.

2d pers. sing. of Will.

Wilt , intransitive verb

[Written also welt, a modification of welk.]

To begin to wither; to lose freshness and become flaccid, as a plant when exposed when exposed to drought, or to great heat in a dry day, or when separated from its root; to droop;. to wither. [Provincial English & United States]

Wilt , transitive verb

1.
To cause to begin to wither; to make flaccid, as a green plant. [Provincial English United States]
2.
Hence, to cause to languish; to depress or destroy the vigor and energy of. [Provincial English & United States]
Despots have wilted the human race into sloth and imbecility. — Dr. T. Dwight