harden

Meanings

Verb

• To become hard (tough, resistant to pressure).
• To make something hard or harder (tough, resistant to pressure).
• To strengthen.
• To modify (a website or other system) to make it resistant to malicious attacks.
• To become or make (a person or thing) resistant or less sensitive.
• To become or make (a consonant) more fortis.

Noun

• Alternative of hurden

Origin

• From Middle English hardenen, equivalent to hard + -en. Cognate with Danish hærdne, Swedish hårdna, Norwegian herdne, Icelandic harðna.