a. (UN-1 7 b.)
Also, in recent use, unconcealably adv.
180914. Wordsw., Excurs., VI. 158. Through his frame it crept With slow mutation unconcealable.
1860. Emerson, Cond. Life, Behavior, Wks. (Bohn), II. 380. The power of manners is incessant,an element as unconcealable as fire.
1879. H. George, Progr. & Pov., VIII. iii. (1881), 375. The immovable and unconcealable character of the land itself.