Bizarre, bizarro, cranky, crazy, curious, eccentric, erratic, far-out, funky, funny, kinky, kooky (also kookie), odd, off-kilter, off-the-wall, offbeat, out-of-the-way, outlandish, outré, quaint, queer, queerish, quirky, remarkable, rum [chiefly British], screwy, spaced-out, strange, wacky (also whacky), way-out, weird, weirdo, wild…