| Fissile (a.) Capable of being split, cleft, or divided in the direction of the grain, like wood, or along natural planes of cleavage, like crystals. Thesaurus Entries alienable, breakable, brittle, brittle as glass, crackable, crisp, crispy, crumbly, crushable, delicate, dissoluble, dissolvable, divisible, fissionable, flimsy, fracturable, fragile, frail, frangible, friable, lacerable, scissile, separable, severable, shatterable, shattery, shivery, splintery, vulnerable |