quirk
//kwɜːk//
Noun
quirkSingular
quirksPlural
1
A peculiar or unusual characteristic, habit, or mannerism that distinguishes a person or thing.
One of his quirks is that he always taps his pen when thinking.
2
An unexpected twist or turn of events; a strange coincidence or accident.
By a quirk of fate, they met again after twenty years.
3
A sudden sharp twist or curve, especially in architecture or design.
The architect added a quirk to the staircase railing for visual interest.
Antonym
Verb
1
To twist or curve suddenly or sharply.
His lips quirked into a smile.
2
To raise or move (an eyebrow) in a questioning or skeptical manner.
She quirked an eyebrow at his strange excuse.