re-languēscō guī, ere, inch, to sink down, grow languid, become faint: (soror) moribunda relanguit, O.

—Fig., to become enfeebled, be relaxed, relax, weaken: quod relanguescere animos eorum existimarent, Cs.: quod autem relanguisse se dicit, that his passion has subsided: ut taedio impetus relanguescat regis, L.