haerĕtĭcus

a, um, adj.
I. of or belonging to heretical religious doctrines, heretical (eccl. Lat.).
I. Adj.: commissatio, Tert. adv. Haer. 41: nigredo, Arat. Act. Apost. 1, 611.—Adv.: haerĕtĭce, heretically, Cassiod. Hist. Eccl. 5, 36.—
II. Subst.: haerĕtĭcus, i, m., a heretic, Tert. adv. Hermog. 27; id. de Bapt. 115; so the title of Tertullian's work: de Praescriptione adversus haereticos.
Lewis & Short
A Latin Dictionary, 1879
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