Nominal Forms
Infinitive: to knuckle down
Participle: knuckled down
Gerund: knuckling down
Indicative
Present
| I | knuckle down |
| you | knuckle down |
| he;she;it | knuckles down |
| we | knuckle down |
| you | knuckle down |
| they | knuckle down |
Perfect
| I | have knuckled down |
| you | have knuckled down |
| he;she;it | has knuckled down |
| we | have knuckled down |
| you | have knuckled down |
| they | have knuckled down |
Past
| I | knuckled down |
| you | knuckled down |
| he;she;it | knuckled down |
| we | knuckled down |
| you | knuckled down |
| they | knuckled down |
Pluperfect
| I | had knuckled down |
| you | had knuckled down |
| he;she;it | had knuckled down |
| we | had knuckled down |
| you | had knuckled down |
| they | had knuckled down |
Future
| I | will knuckle down |
| you | will knuckle down |
| he;she;it | will knuckle down |
| we | will knuckle down |
| you | will knuckle down |
| they | will knuckle down |
Future Perfect
| I | will have knuckled down |
| you | will have knuckled down |
| he;she;it | will have knuckled down |
| we | will have knuckled down |
| you | will have knuckled down |
| they | will have knuckled down |
Subjunctive
Present
| I | knuckle down |
| you | knuckle down |
| he;she;it | knuckle down |
| we | knuckle down |
| you | knuckle down |
| they | knuckle down |
Perfect
| I | have knuckled down |
| you | have knuckled down |
| he;she;it | have knuckled down |
| we | have knuckled down |
| you | have knuckled down |
| they | have knuckled down |
Imperfect
| I | knuckled down |
| you | knuckled down |
| he;she;it | knuckled down |
| we | knuckled down |
| you | knuckled down |
| they | knuckled down |
Pluperfect
| I | had knuckled down |
| you | had knuckled down |
| he;she;it | had knuckled down |
| we | had knuckled down |
| you | had knuckled down |
| they | had knuckled down |
Conditional
Present
| I | would knuckle down |
| you | would knuckle down |
| he;she;it | would knuckle down |
| we | would knuckle down |
| you | would knuckle down |
| they | would knuckle down |
Perfect
| I | would have knuckled down |
| you | would have knuckled down |
| he;she;it | would have knuckled down |
| we | would have knuckled down |
| you | would have knuckled down |
| they | would have knuckled down |
Imperative
| you | knuckle down |
| we | Let's knuckle down |
| you | knuckle down |
Verbs conjugated like 'knuckle'
abacinate,
abalienate,
abase,
abate,
abbreviate,
abdicate,
abduce,
aberrate,
aberuncate,
abirritate,
abjudge,
abjudicate,
abjugate,
abjure,
ablactate,
ablaqueate,
able,
ablegate,
abligate,
abnegate, etc. (List truncated at 20 verbs)
Verbs similar to 'knuckle'
buckle,
chuckle,
cruckle,
keckle,
muckle,
ruckle,
shuckle,
snickle,
suckle,
truckle,
Synonyms & Antonyms
Additional Information
Etymology
From Middle English knokel (“finger joint”), from Old English cnucel (“the juncture of two bones; knuckle; joint”), from Proto-West Germanic *knukil, from Proto-Germanic *knukilaz (“knuckle, knot, bump”), as *knukô (“bone, joint”) + *-ilaz (diminutive suffix). Cognate with Dutch knokkel (“knuckle”), Low German Knökel (“knuckle”), German Knöchel (“ankle, knuckle”), Old Norse knykill. More at knock.
Verbs referencing "knuckle"
Danish
knokle.
Sample Sentences
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He knuckled the sleep from his eyes.
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She knuckled her eyes in disbelief.
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I could feel my big toe snap, but as he's gone down on his good knee and half swung round I knuckled him in the kidney as hard as I could hit. He's gone all the way down, so I dropped my 19 stone into the middle of his back. [2013, Lenny McLean, The Guv'nor:]
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Only then I knuckled him. He had to be taught a hard lesson. [2014, W. Smyth, Mama OM, page 415:]