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to knuckle under
01
to submit to someone or something's authority
Grammatical Information
Composition
phrasal
Action verb
Regular
Inseparable
Particle
under
Base verb
knuckle
Present tense
knuckle under
3rd person singular
knuckles under
Present participle
knuckling under
Past simple
knuckled under
Past participle
knuckled under
Examples
The police chief refused to knuckle under to the demands of the criminals.
