simple past tense and past participle of harden someone's heart

present participle of harden someone's heart

(idiomatic, usually reflexive, dated) To make someone more resistant to something.

(archaic) second-person singular simple present form of harden

A Belgian surname.

A hamlet in Shap Rural parish, Eden district, Cumbria, England (OS grid ref NY5814).

A neighbourhood of Eskbank, Midlothian council area, Scotland (OS grid ref NT3265).

A structureless mixture of martensite and austenite.

(archaic) third-person singular simple present indicative form of harden