flintless,a.|ˈflɪntlɪs| [f. flint n. + -less.] Without a flint or flints. 1810Sporting Mag. XXXVI. 273 One of Forsyth's gun⁓locks, which, flintless, goes off by percussion.1865Reader 22 Apr. 461/1 A bed of comparatively flintless chalk overlies one with many flints.