(adj.adv.) : in-dĕcōrus, a, um, adj.
* Unbecoming, unseemly, indecorous, disgraceful, shameful, unsightly (class.): quod animo magno fit, id dignum viro et decorum videtur: quod contra, id ut turpe, sic indecorum,Cic. Off. 1, 27, 94: nihil malum nisi quod turpe, inhonestum, indecorum, etc.,id. Fin. 3, 4, 14: indecorum est, de stillicidiis cum dicas, amplissimis verbis et locis uti communibus,id. Or. 21, 72: studia saeculo,Plin. Pan. 46, 4: gestus,Quint. 1, 10, 35: uva visu,Plin. 14, 2, 4, § 28: visus,id. 13, 12, 24, § 79: haud indecoros motus dare,Liv. 7, 2, 4.— Plur. as subst.: indĕcōrae, ārum, f. (sc. feminae), ill-favored women, Cic. Att. 9, 10, 2.—Hence, adv.: indĕcōrē, unbecomingly, indecently (class.): ne quid indecore, effeminateque faciat,Cic. Off. 1, 4, 14: quam minime indecore facere,id. ib. 1, 31, 114: haud indecore,Tac. H. 5, 23.

s. TLL