Same word as quainter:
bizarre, curious, droll, eccentric, erratic, fanciful, fantastic, freakish, freaky, funny, idiosyncratic, laughable, oddball, off the beaten track, offbeat, original, outlandish, peculiar, queer, singular, special, unusual, weird, whimsical
bizarre, curious, droll, eccentric, erratic, fanciful, fantastic, freakish, freaky, funny, idiosyncratic, laughable, oddball, off the beaten track, offbeat, original, outlandish, peculiar, queer, singular, special, unusual, weird, whimsical