[f. FORMIDABLE a.: see -bility, -ITY.] The quality of being formidable.
1745. H. Walpole, Lett. H. Mann (1834), II. cxliii. 91. A Mackintosh has been taken, who reduces their formidability by being sent to raise two clans.
1754. H. P., Hiberniad, iii. 24. There would be an Air of Formidability in his Assertions.
1860. in Worcester (citing Q. Rev.)