quirk
noun
[ kwəːk ]
• a peculiar aspect of a person's character or behaviour.
• "they accepted her attitude as one of her little quirks"
Similar:
idiosyncrasy,
peculiarity,
oddity,
eccentricity,
foible,
whim,
whimsy,
notion,
conceit,
vagary,
caprice,
fancy,
kink,
crotchet,
mannerism,
habit,
characteristic,
trait,
feature,
obsession,
fad,
idée fixe,
hang-up,
thing,
singularity,
• an acute hollow between convex or other mouldings.
quirk
verb
• (with reference to a person's mouth or eyebrow) move or twist suddenly, especially to express surprise or amusement.
• "his lips quirked disbelievingly"
Origin:
early 16th century (as a verb): of unknown origin. The early sense of the noun was ‘subtle verbal twist, quibble’, later ‘unexpected twist’.