n. A disease of plants which causes them to wilt: used only with a qualifying word indicative of the plant affected.To droop or fade, as plants or flowers when cut or plucked; wither.To become soft or languid; lose energy, pith, or strength.To cause to droop or become languid, as a plant; take the stiffness, strength, or vigor out. of; hence, to render limp and pithless; depress.The second person singular present indicative of will.