paracrusticus Save DMLBS paracrusticus [παρακρουστικός] , (med.): a (of fever) that deranges, that induces madness. b (of person) deranged, insane. a peracrusticum Gilb. I 30v. 1 (v. paracmasticus). b ~us vel †paracropus [l. paracopus], i. rusticus insanus Alph. 136; ~us, insanus ut in Theophilo MS BL Sloane 3217 f. 59v.