Unbendable: Firmly, often unreasonably immovable in purpose or will: adamant, adamantine, brassbound, die-hard, grim, implacable, incompliant, inexorable, inflexible, intransigent, iron, obdurate, relentless, remorseless, rigid, stubborn, unbending, uncompliant, uncompromising, unrelenting, unyielding. Idioms: stubborn as a mule. See resist/yield. December 19: After being a bit nervous at the, ahem, heft of my Christmas cards once I assembled…