harden
//ˈhɑːr.dən//
Verb
hardenInfinitive
hardenPresent tense
hardenedPast tense
hardenedPast participle
hardeningPresent participle
hardensThird-person singular
1
To make or become hard or harder in texture, consistency, or structure.
The cement will harden overnight.
2
To make or become more severe, strict, or uncompromising.
The government hardened its stance on immigration.
3
To make or become emotionally tougher or less sensitive.
Years of working in the emergency room hardened her to the sight of blood.
4
To strengthen or reinforce something against attack or damage.
The company hardened its computer systems against cyberattacks.