Idiosyncratic vs. Quirky

Idiosyncraticadjective

Peculiar to a specific individual; eccentric.

Quirkyadjective

Given to quirks or idiosyncrasies; strange in a somewhat silly, awkward manner, potentially cute.

‘She has a quirky laugh.’;

Idiosyncraticadjective

Of peculiar temper or disposition; belonging to one's peculiar and individual character.

Quirkyadjective

Full of quirks; tricky; as, a quirky lawyer.

Idiosyncraticadjective

peculiar to the individual;

‘we all have our own idiosyncratic gestures’; ‘Michelangelo's highly idiosyncratic style of painting’;

Quirkyadjective

informal terms; strikingly unconventional