Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “harden”

See all translations

harden

verb [I or T] uk   /ˈhɑː.dən/ us    /ˈhɑːr-/

harden verb [I or T] (SOLID)

to become or make hard: The mixture hardens as it cools. It is thought that high cholesterol levels in the blood can harden the arteries (= make them thicker and stiffer, causing disease).

harden verb [I or T] (SEVERE)

to become more severe, determined, or unpleasant: Living in the desert hardened the recruits (= made them more strong and determined). As the war progressed, attitudes on both sides hardened (= became more severe and determined).
hardening
noun [U or S] uk   /-ɪŋ/ us  
There has been a hardening of government policy since the invasion.
(Definition of harden from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of harden?
Add Cambridge dictionaries to your browser to your website

Definitions of “harden” in other dictionaries

Word of the Day

pot luck

anything that is available or is found by chance, rather than something chosen, planned, or prepared

Word of the Day

Think long and hard; the language of decisions

by Liz Walter,
January 28, 2015
One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More