English dictionary, thesaurus, translations & etymology
FreeDict.com
noun Uncommon

knuckle

NUH-kuhl

Knuckle (noun) means any of the joints of the fingers, especially where the fingers meet the hand. Example: “He rapped his knuckles on the table to get everyone's attention.”

noun
1
Any of the joints of the fingers, especially where the fingers meet the hand.
"He rapped his knuckles on the table to get everyone's attention."
verb
1
To give in or submit, often used in the phrase "knuckle under."
"He refused to knuckle under to pressure from his rivals."

How to use knuckle

Learner’s notes

In plain EnglishThe joints of your fingers, or, as a verb, to give in to pressure.

Common pairings
crack your knuckles knuckle down knuckle under

Word forms

knuckled past tense, knuckles plural, knuckles singular

Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “knuckle” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

He rapped his _____ on the table to get everyone's attention.

Etymology

From Old English cnucel, "the joint between two bones," closely related to the word knock.

Origin: Old English

knuckle joint metacarpophalangeal joint

Rhymes for knuckle

See all rhymes for knuckle →

Frequently asked questions

What does “knuckle” mean?

The word “knuckle” means any of the joints of the fingers, especially where the fingers meet the hand. In plain terms, the joints of your fingers, or, as a verb, to give in to pressure.

How do you pronounce “knuckle”?

“Knuckle” is pronounced NUH-kuhl (/ˈnʌkəl/ in IPA).

How do you use “knuckle” in a sentence?

Here is “knuckle” used in a sentence: “He rapped his knuckles on the table to get everyone's attention.”

What part of speech is “knuckle”?

Depending on how it is used, “knuckle” can be a noun and a verb.

Where does the word “knuckle” come from?

The word “knuckle” comes from Old English. From Old English cnucel, "the joint between two bones," closely related to the word knock.

Is “knuckle” a common word?

“Knuckle” is an uncommon word in modern English.

How many meanings does “knuckle” have?

“Knuckle” has 2 distinct senses listed in this dictionary. The most common is: any of the joints of the fingers, especially where the fingers meet the hand.

Featured in

Definitions: FreeDict original editorial