harden

IPA: hˈɑrdʌn

A surname.
A place name:
A suburb in the Metropolitan Borough of Walsall, West Midlands, England (OS grid ref SK0101).
A village and civil parish (with a village council) in the Metropolitan Borough of Bradford, West Yorkshire, England (OS grid ref SE0838).
A town in Hilltops council area, southern New South Wales, Australia.
Alternative form of hurden (“coarse linen”) [(UK, dialect) A coarse kind of linen made from hurds.]

(intransitive) To become hard (tough, resistant to pressure).
(transitive, ergative) To make something hard or harder (tough, resistant to pressure).
(transitive, figurative) To strengthen.
(transitive, computing) To modify (a website or other system) to make it resistant to malicious attacks.
(transitive, intransitive) To become or make (a person or thing) resistant or less sensitive.
(intransitive, informal) To get an erection.
(transitive, intransitive, phonology) To become or make (a consonant) more fortis; to (cause to) undergo fortition.
(Slavic phonology) To unpalatalize or velarize.

Examples of "harden" in Sentences

The glue hardens as time passes.
Clearly, a recidivist hardened criminal.
The mixture is hardened to form the insert.
The chocolate is now entrenched and hardened.
The plastic then cools and hardens in the mold.
After the resin is hardened, the mold is removed.
A third function is to harden the lining of the womb.
The barrel was blued and the hammer was case hardened.
The material hardens with the roving embedded therein.
The disease is characterized by hardening of the brain tissues.
Elena could see the other’s eyes go cold, her expression harden to granite.
As she watched his expression harden, she decided he wouldn't consider the comparison flattering.
Glancing over at Lord Gunthar, he saw the knight's expression harden, and he knew he experienced the same thing.
So, vigilance is really extremely important in this, but so are the efforts that are being made to so-called harden the country.
"As long as the conflict goes on here, it's logical to assume that the attitudes of all sides will harden, which is deeply regrettable."
How inconstant are your feelings! but a moment ago you were moved by my representations, and why do you again harden yourself to my complaints?