ob-mūtesco, tŭi, 3
* V. inch. n., to become dumb, to lose one's speech (syn.: taceo, sileo).
* Lit.: qui ebrius obmutuit,Cels. 2, 6: cum obmutuerint,Plin. 27, 12, 104, § 127: umbrae ejus (hyaenae) contactu canes obmutescere,lose their voice, their bark,id. 8, 30, 44, § 106; 20, 5, 20, § 40.
* Transf., in gen., to be speechless, mute, silent: ipse obmutescam,Cic. de Or. 2, 7, 27: de me ... nulla umquam obmutescat vetustas,id. Mil. 35, 98: Aeneas aspectu obmutuit amens,Verg. A. 4, 279: dixit pressoque obmutuit ore,id. ib. 6, 155: obmutuit illa dolore,Ov. M. 13, 538.
* Trop., to become silent, to cease: studium nostrum conticuit subito et obmutuit,Cic. Brut. 94, 324: animi dolor,id. Tusc. 2, 21, 50: Lydium sil nunc obmutuit,is no longer asked for,Plin. 33, 12, 56, § 160: dixit mari, obmutesce,Vulg. Marc. 4, 39.

s. TLL