Definition of "quirk" in English

noun

1. 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.

2. (architecture) An acute angle dividing a molding; a groove that runs lengthwise between the upper part of a molding and a soffit.

3. (archaic) A quibble, evasion, or subterfuge.

verb

1. (ambitransitive) To (cause to) move with a wry jerk.

   • He quirked an eyebrow.
   • The corners of her mouth quirked.

2. (transitive, architecture) To furnish with a quirk or channel.

3. To alter in a unique and unusual way.

4. (intransitive, archaic) To use verbal tricks or quibbles.

verb

1. Alternative form of querk.