DictionaryquirkUnusual characteristic
noun

quirk

KWURK/kwɜːrk/

An unusual feature or deviation from expectation.

This carrot has a quirk: its root curls like a corkscrew.

An otherwise ordinary carrot has a peculiar corkscrew-shaped root, set beside two straight carrots so its odd natural feature is immediately apparent.
Etymology

Its origin is unknown. Early uses meant “a quibble” or “an artful evasion”; the later sense “peculiarity” underlies today's odd habit or feature.

In context

ReligionForBreakfast3:31
so in a quirk of etymological History the benign English word Fascination derives from the evil eye
What is the Evil Eye?

More examples

  • One of her quirks is naming every houseplant.
  • A quirk in the software makes empty folders appear twice.
  • By a quirk of fate, we became neighbors again.

Forms

quirk · quirks

quirky adjective — Having unusual or distinctive traits.

Similar words

peculiarity
Emphasizes a distinctive trait rather than an unexpected event.
oddity
Often names a whole strange thing, not just one feature.
twist
Fits an unexpected turn of events rather than a habitual trait.