easy
My knuckle bends when I make a fist.
What does Knuckle mean?
A knuckle is a finger joint.
Dictionary definition
A joint in a finger where the finger bends.
Example sentences
Knuckle in a sentence
medium
The glove had extra padding over each knuckle.
hard
The diagram labeled every knuckle to show how the finger joints move.
Writing practice
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Quick practice
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Practice the meaning of Knuckle
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What is a knuckle?
A knuckle is where a finger bends.
Practice 2
Which sentence uses knuckle correctly?
Knuckle names a joint in the finger.
Practice 3
Which word is most related to knuckle?
Finger is close in meaning to knuckle.
Practice complete
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Knuckle
Voice settings
Sounds like
nuk · ul · strongest beat: nuk
Tap each sound part, then blend the whole word together.
Learn
WordKnuckle.
Partnoun.
MeaningKnuckle means A knuckle is a finger joint.
ExampleExample: My knuckle bends when I make a fist.
Word breakdown
2 syllables. Say each part, then blend the word.
- Syllables
- nuk · ul
- Strongest beat
- nuk
- Ending
- ul
- Tip
- Put a little extra energy on nuk.
Your turn
Say Knuckle
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Synonyms
Words like Knuckle
jointUse for a place where bones meet and bend.
finger jointUse for a clear description of a knuckle.
Antonyms
Opposite words
Synonym practice
Want to practice knuckle synonyms in context? Try a Synonym Search question like "Leo tapped one knuckle on the desk," then compare close word choices. Practice knuckle synonyms.
Word family
Knuckle word family
Base word
knuckle
noun
knuckles
Plural form, usually merged into the base entry.
Related words
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Student support
Understand Knuckle
Hint for students
A knuckle is one of the bony joints in your finger where it bends.
Common mix-up
Knuckle is not the same as finger. A finger is the whole part; a knuckle is the joint that bends.
Try it in class or at home
Write one sentence that shows knuckle without using the word knuckle. Model sentence: The bony part of her finger turned white as she gripped the rope. Clue words: bony part, finger, gripped. Now try your own sentence. Ask: Does my sentence show a bending joint on a finger?
Teacher prompt
Ask students to explain this model sentence: "He tapped the door with his knuckle instead of his palm." Why does knuckle fit better than fingertip?
Learning activities
Practice Knuckle and explore more word games
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