Lewis Short
(v. a.adv.) : dissĭmŭlo, āvi, ātum, 1, v. a.dissimilis
* To feign that a thing is not that which it is; to dissemble, disguise; to hide, conceal, keep secret (cf.: fingo, simulo, confingo, comminiscor—very freq. and class.).
* With acc.: nihil fingam, nihil dissimulem, nihil obtegam,Cic. Att. 1, 18: aliquid (with tegere),Caes. B. C. 1, 19, 2; with obtegere,Suet. Ner. 29; with celare,Ter. And. 1, 1, 105; with occultare,Cic. Off. 1, 30, 105; Caes. B. C. 2, 31, 6; cf. Cic. Rosc. Am. 31, 86: nec, ut emat melius, nec ut vendat, quicquam simulabit aut dissimulabit vir bonus,id. Off. 3, 15; cf. Planc. ap. Cic. Fam. 10, 8, 4: quaedam in actione dissimulata,Quint. 6, 4, 14: consonantium quaedam insequente vocali dissimulatur, is obscured, said of elision in poetry, id. 11, 3, 34: occultam febrem,Hor. Ep. 1, 16, 23; cf. metum,id. C. 2, 20, 17: gaudia,Ov. M. 6, 653: nomen suum,id. Tr. 4, 9, 32: natum cultu,id. M. 13, 163: se,to assume another form,id. ib. 2, 731: deum,i. e. concealing his divinity,id. H. 4, 56; id. F. 5, 504; cf. also pass. with mid. force: dissimulata deam,id. ib. 6, 507; Stat. Silv. 1, 2, 14; and virum veste longa (Achilles),Ov. A. A. 1, 690.
* To leave unnoticed, to neglect: damnosam curationem,Veg. Vet. 1 prooem. § 5: quod dissimulatum,Amm. 21, 3.— Hence, dissĭmŭlanter, adv., dissemblingly, clandestinely, secretly: non aperte, nec eodem modo semper, sed varie dissimulanterque conclusis,Cic. Brut. 79, 274; id. Fam. 1, 5, b. fin.; Liv. 40, 23; Suet. Tib. 21 (opp. Palam); Ov. H. 20, 132 al.— Comp. and sup. do not occur.
* With a rel. clause: nec judices, a quo sint moti, dissimulant,Quint. 12, 9, 7; so id. 6 prooem. § 7; Verg. A. 4, 291 al.—*
* With quasi: dissimulabo, hos quasi non videam,Plaut. Mil. 4, 2, 2.—(ε) Absol.: plane ea est; sed quomodo dissimulabat!Plaut. Mil. 2, 5, 53; id. Most. 4, 3, 23; id. Men. 4, 2, 44; 78; Cic. Off. 1, 30, 108; id. Mur. 19, 40 (opp. fateri); Caes. B. C. 1, 19, 1; Hor. S. 1, 9, 66; Ov. H. 17, 151 et saep.: dissimulant,they repress their feelings,Verg. A. 1, 516.—(ζ) With de: primo fingere alia, dissimulare de conjuratione, etc.,Sall. C. 47, 1: de condicione sua,Dig. 40, 13, 4.— *
Charlton T. Lewis, Charles Short, A Latin Dictionary