Harden(v. i.) To become hard or harder; to acquire solidity, or more compactness; as, mortar hardens by drying.
Harden(v. i.) To become confirmed or strengthened, in either a good or a bad sense.
Harden(v. t.) To make hard or harder; to make firm or compact; to indurate; as, to harden clay or iron.
Harden(v. t.) 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.
Hardened(a.) Made hard, or compact; made unfeeling or callous; made obstinate or obdurate; confirmed in error or vice.
Hardened(imp. & p. p.) of Harden
Hardener(n.) One who, or that which, hardens; specif., one who tempers tools.
Hardening(n.) Making hard or harder.
Hardening(n.) That which hardens, as a material used for converting the surface of iron into steel.
Hardening(p. pr. & vb. n.) of Harden
Words within harden