1667. Decay Chr. Piety, xi. ¶ 2. A guilt which nothing but our too familiar acquaintance with it could make unformidable.
1846. T. DArcy MGee, Gallery Irish Writers, 163. As an author, it was no unformidable degree of success which could call Clarendon against him to the lists.
1898. Bodley, France, II. III. v. 235. When a minister thus retains his portfolio, it is because he is unformidable.