(Hard"en) v. t. [imp. & p. p. Hardened (-'nd); p. pr. & vb. n. Hardening ] [OE. hardnen,
1. To make hard or harder; to make firm or compact; to indurate; as, to harden clay or iron.
2. To accustom by labor or suffering to endure with constancy; to strengthen; to stiffen; to inure; also, to
confirm in wickedness or shame; to make unimpressionable. "Harden not your heart." Ps. xcv. 8.
I would harden myself in sorrow.Job vi. 10.
(Hard"en), v. i.
1. To become hard or harder; to acquire solidity, or more compactness; as, mortar hardens by drying.
The deliberate judgment of those who knew him [A. Lincoln] has hardened into tradition.The Century.
2. To become confirmed or strengthened, in either a good or a bad sense.
They, hardened more by what might most reclaim.Milton.
(Hard"ened) a. Made hard, or harder, or compact; made unfeeling or callous; made obstinate
or obdurate; confirmed in error or vice.
Syn. Impenetrable; hard; obdurate; callous; unfeeling; unsusceptible; insensible. See Obdurate.