1a peculiar aspect of a person’s character or behaviour:they accepted her attitude as one of her little quirks
a strange chance occurrence:a strange quirk of fate had led her to working for Nathan
a sudden twist, turn, or curve:wry humour put a slight quirk in his mouth
2 Architecture an acute hollow between convex or other mouldings.
ზმნა
Universal
(with reference to a person’s mouth or eyebrow) move or twist suddenly, especially to express surprise or amusement: [no object]:his lips quirked disbelievingly