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Definition of harden
harden
/ˈhɑːr.dən/
hard · en
Adjective:hardened
•Past Simple:hardened
•Past Participle:hardened
•Present Participle:hardening
harden Lexical Profile
CEFR
B2
Grade
5
Tier
2
Usage
Top 5k
Syllables
2
harden Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• verb
1
To make or become firmer, stiffer, or more solid.
Example
"Allow the melted chocolate to cool and harden completely before slicing the dessert."
2
To make or become tougher, less sympathetic, or more resolute in attitude, character, or feeling.
Example
"Years of navigating difficult negotiations had begun to harden her approach to business."
3
To become more stable or cease to fluctuate downward (of financial prices, currencies, or market rates).
Example
"Commodity prices began to harden in the third quarter following stronger global demand."
Synonyms
View all synonyms for harden Antonyms
View all antonyms for harden• Rhymes for harden
Word Origin & Etymology
Developed in Middle English as hardnen, formed by combining the Old English adjective heard ('solid, firm, severe') with the verbal suffix -en.
Cite this Entry
Wordmom. (2026). Definition of Harden. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/harden