easy
The clay will harden as it dries.
What does Harden mean?
Harden means to become hard.
Dictionary definition
To become hard, or to make something hard.
Example sentences
Harden in a sentence
medium
Cold air can harden wet soil overnight.
hard
The mixture began to harden after the students added the final ingredient.
Writing practice
Ready to write your own? Study the examples, then practice harden in a sentence with Sentence Builder checklist feedback.
Quick practice
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Practice the meaning of Harden
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What does harden mean?
Harden means to become hard or make something hard.
Practice 2
Which word is an antonym of harden?
Soften is the opposite of harden.
Practice 3
Which sentence uses harden correctly?
Harden fits a sentence about something becoming firm.
Practice complete
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You completed 3 questions.
Pronunciation coach
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Harden
Voice settings
Sounds like
har · den · strongest beat: har
Tap each sound part, then blend the whole word together.
Learn
WordHarden.
Partverb.
MeaningHarden means to become hard.
ExampleExample: The clay will harden as it dries.
Word breakdown
2 syllables. Say each part, then blend the word.
- Syllables
- har · den
- Strongest beat
- har
- Ending
- den
- Tip
- Put a little extra energy on har.
Your turn
Say Harden
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Ready when you are.
Nice work—you practiced harden.
Synonyms
Words like Harden
stiffenTo become firm or less flexible.
solidifyTo become solid.
setTo become firm after being soft or liquid.
Antonyms
Opposite words
Synonym practice
Want to practice harden synonyms in context? Try a Synonym Search question like "The clay will harden overnight," then compare close word choices. Practice harden synonyms.
Word family
Harden word family
Base word
harden
verb
hardens
Becomes hard now or often.
verb
hardened
Became hard in the past.
verb
hardening
Becoming hard.
Related words
Explore related words
Student support
Understand Harden
Hint for students
Harden means to become hard.
Common mix-up
Harden is not the same as soften. Harden means harden means to become hard.
Try it in class or at home
Read this model sentence: Cold air can harden wet soil overnight. Clue words: cold, air, wet. Underline clue words that show why harden fits instead of soften. Now write one new sentence that shows harden without using the word harden. Ask: Does my sentence clearly show harden?
Teacher prompt
Ask students to explain this model sentence: "Cold air can harden wet soil overnight." Why does harden fit better than soften?
Learning activities
Practice Harden and explore more word games
Cards labelled “Practice HARDEN” keep this word in focus. Explore cards open games with other words.
Practice HARDEN
Sentence Builder
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