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knuckle - definition and synonyms


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verb knuckle pronunciation in American English /ˈnʌk(ə)l/
Word Forms
present tense
present participleknuckling
past tenseknuckled
past participleknuckled
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phrasal verbs

knuckle down

Word Forms
present tense
I/you/we/theyknuckle down
he/she/itknuckles down
present participleknuckling down
past tenseknuckled down
past participleknuckled down
to start working hard, especially when you should have done this earlier

This year’s students seem much more inclined to knuckle down to work.

It’s time you knuckled down to some work.

knuckle under

Word Forms
present tense
I/you/we/theyknuckle under
he/she/itknuckles under
present participleknuckling under
past tenseknuckled under
past participleknuckled under
to do what someone tells you to do

He wasn’t going to knuckle under to some woman.


sea lion

in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them

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an electric skateboard

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