unˈsuccourable,a. (un-1 7 b.) 1593Sidney's Arcadia (1598) iv. 414 That in the ende some one or other might hap to do an vnsuccourable mischiefe.1599Sandys Europæ Spec. (1605) Z 4 An vnexplicable & vnsuccorable calamitie.1611Florio, Insoccoreuole, vnsuccourable.