a. Obs. [ad. L. effrēnāt-us, f. effrēnāre, f. ex out + frēn-um bridle. Cf. F. effréné.] a. Of passions: Unbridled, ungovernable. b. Of drugs: Violent in action.
1561. Abp. Parker, Corr. (1852), 157. Men of effrenate intemperancy.
1657. Tomlinson, Renous Disp., 143. Nothing doth so much dehort from any medicament as its effrenate, prepotent and malign quality.
Hence Effrenated ppl. a., unbridled, unruly.
1586. J. Hooker, Girald. Irel., in Holinshed, II. 144/1. Let vs returne to the historie of this effere and effrenated nation.