Simple Definition of quirk

from our Learner's Dictionary

quirk

noun

plural quirks
1
: an unusual habit or way of behaving
Everyone has their little quirks.
2
: something strange that happens by chance
Their meeting was a (strange) quirk of fate/nature.

Cite this Entry

“Quirk.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/quirk. Accessed 22 Jun. 2026.

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