Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
: to harden and strengthen (metal) by cold-working
You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
1928, in the meaning defined above
work entry 1
Keep scrolling for more
Share work harden
Resources for work harden
Time Traveler for work harden
See more words from the same year
Comments on work harden
What made you want to look up work harden? Please tell us where you read or heard it (including the quote, if possible).
not any or not one
Get Word of the Day daily email!
Great Scrabble Words—A Quiz
Can you spell these 10 commonly misspelled words?
Test Your Knowledge - and learn some interesting things along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
A look at its gassy origins
Words from the week of 10/12/2018
Smart advice on modifying adjectives
If you need a reminder.
And is one way more correct than the others?
The story of an imaginary word that managed to sneak past our editors and enter the dictionary.
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
Words to improve your Scrabble game
Do you know which word is older?
A game of winding words.