harden
/ˈhɑːdən/ verb [I, T]Definition
BECOME HARD › to become hard and stiff, or to make something become hard and stiff: This island is formed from volcanic lava that has hardened into rock.
STOP FEELING EMOTIONS › to stop feeling emotions about someone or something, so that you seem less kind, gentle, or weak: hardened criminals
(Definition of harden verb from the Cambridge Learner's Dictionary
© Cambridge University Press)
Our dictionaries
Browse the Thesaurus
Browse the Dictionary
Word of the Day
throw caution to the wind/winds
to do something without worrying about the risk or negative results
Blog
Read our blog about how the English language behaves.
New Words
Find words and meanings that have just started to be used in English, and let us know what you think of them.
