adj having the surface hardened, as iron tools.
2. casehardened ·adj hardened against, or insusceptible to, good influences; rendered callous by persistence in wrongdoing or resistance of good influences;
said of persons.
adj having the surface hardened, as iron tools.
2. casehardened ·adj hardened against, or insusceptible to, good influences; rendered callous by persistence in wrongdoing or resistance of good influences;
said of persons.
Webster English vocab. Английский словарь Webster. 2012