LSJἄρρῑγ-οςGlossinsensible to cold,ἄρρῑγ-ος,ον,A. insensible to cold,Arist. Sens. 438a22 ( Sup. ).II. without shivering,Aret. SD 1.14 .ReferencesArist. Sens. 438a22Aret. SD 1.14