plunge (v.) Copy link Outline A. Trans.I. To dip in water, etc.II. To thrust deepIII. To bring into; esp. in such phrr. as to p. one's country into war, perh. patriam bello illigare (to entangle, involve), cf. Liv. 32, 21, ad med.B. Intrans.I. Into water, etc.II. Fig., to rush headlong into Phr. • plunge (v.): A. Trans.: I. To dip in water, etc.: mergo, si, sum, 3: to p. chickens in the water, pullos in aquam m., Cic. N. D. 2, 3, 7: foll. by sub and abl. = to whelm beneath, Virg. Aen. 6, 342. Frequent. merso, 1 (to p. again and again, as in sheep-washing), id. G. 3, 447. Comps. (1). immergo, 3 (more freq. than simple verb in present sense): to p. the hands in boiling water, manus in aquam ferventem i., Plin. 28, 6, 15: Cic. Tim. 13: less freq. with dat.: Ov.: Plin. (2). dēmergo, 3: with in and acc., Lucr. 6, 149: also abl., Suet. Tib. 2. (3). submergo, 3 (to p. beneath, submerge): Virg.: Ov. II. To thrust deep: Phr.: to p. a sword into the bowels, demittere in ilia ferrum, Ov. M. 4, 119: Pl.: so, ensem condere in pectore, Virg. Aen. 9, 347; or with simple abl., Ov. M. 13, 459: also, recondere (to p. deep), Virg. Aen. 10, 387: Ov. (Not mergo in this sense, unless as a strongly fig. expr.: cf. Ov. M. 3, 249.) III. To bring into; esp. in such phrr. as to p. one's country into war, perh. patriam bello illigare (to entangle, involve), cf. Liv. 32, 21, ad med. B. Intrans.: I. Into water, etc.: expr. by mergo, immergo, dēmergo, with pron. refl., also as refl. pass.: to p. in the sea (= dive, of birds), se in mari mergere, Cic. N. D. 2, 49, init.: so, in aquam se immergere, Plin. 11, 25, 30. (N.B.--The acc. serves to indicate the act of plunging into the water; the abl., the place where it is done.) See also to dive. II. Fig., to rush headlong into Phr.: he p.d into the thick of the enemy's swords, inter mucrones se hostium immersit, Just. 33, 2: to p. in sensual delights, in voluptates se mergere, Liv. 23, 18, med.: cf. ingurgitare se in flagitia (to be quite swallowed up in vicious excess), Cic. in Pis. 18, 42; also, effundere se in libidine (to indulge to excess), id. Par. 3, 1, 21.