IMPENETRABLE a.
Inaccessible, as to knowledge, reason, sympathy, etc.; unimpressible; not to be moved by arguments or motives; as, an impenetrable mind, or heart. They will be credulous in all affairs of life, but impenetrable by a sermon of the gospel. Jer. Taylor.
JOB n.
ob's comforter. (a) A false friend; a tactless or malicious person who, under pretense of sympathy, insinuates rebukes. (b) A boil. [Colloq.] -- Job's news, bad news. Carlyle. -- Job's tears (Bot.), a kind of grass (Coix Lacryma), with hard, shining, pearly grains.