(adjective) : Hostīlĭus, a
* Name of a Roman gens.
* Hostus Hostilius, who fought victoriously against the Sabines, Liv. 1, 12.
* Deriv. Hostīlĭus, a, um, , of or belonging to a Hostilius, Hostilian: Curia,built by king Tullus Hostilius,Liv. 1, 22; 30; Varr. L. L. 5, § 155 Müll.: Hostiliis Laribus immolabant, quod ab his hostes arceri putabant (perhaps named after Hostus Hostilius), Paul. ex Fest. p. 102 Müll.: lex,Just. Inst. 4, 10.
* L. Hostilius Tubulus, proetor in A. U. C. 611, a rude person, Lucil. ap. Cic. N. D. 1, 23, 63.

Male Personal name
Confirmed occurences in the Roman Empire:

• T. Flavius Hostilius Marcianus (Masc, senator), ref: I. Hadrianoi und Hadrianeia 11 | PIR ID6108
• Q. Herennius Hospitalis Hostilius (Masc, eques), ref: AE 1987, 1092 | PIR ID6881
• Hostilius (Masc), ref: PIR H 0223 | PIR ID7010
• Hostilius Antipater (Masc, eques), ref: PIR H 0224 | PIR ID7011
• Hostilius Firminus (Masc, senator), ref: PIR H 0225 | PIR ID7012
• C. Hostilius Maximus Robustus (Masc, senator), ref: RE Suppl. 15 (1978) 112-113 s.v. Hostilius 20a + nota PIR2 vol. VII 1 p. 68 sq. | PIR ID7013
• Hostilius Rufus (Masc), ref: PIR H 0227 | PIR ID7014
• L. Hostilius Ha... (Masc, senator), ref: PIR H 0226 | PIR ID7015
• T. Mustius Hostilius Fabricius Medulla Augurinus (Masc, senator), ref: PIR M 0759 | PIR ID9466