quirk UK /kwɜːk/US /kwɝk/verb 4noun 3forms 3 verb4 •To (cause to) move with a wry jerk.He quirked an eyebrow.The corners of her mouth quirked. •To alter in a unique and unusual way.But in the dream the forms are quirked by the peculiar troubles of the dreamer, whereas in myth the problems and solutions shown are directly valid for all mankind. — 1968 •To furnish with a quirk or channel. •(no longer used) To use verbal tricks or quibbles.I have stung her and wrung her, The venom is working;— And if you had hung her With canting and quirking, She could not be deader than she will be soon — 1820 noun3 •An idiosyncrasy; a slight glitch, a mannerism; something unusual about the manner or style of something or someone.The car steers cleanly, but the gearshift has a few quirks. •An acute angle dividing a molding; a groove that runs lengthwise between the upper part of a molding and a soffit. •(no longer used) A quibble, evasion, or subterfuge.Had you no quirk / To avoid gullage, sir, by such a creature? — 1605 formsquirked · quirking · quirks