na-adjective, noun
erratic; eccentric; wild; unconventional
Describes ideas, behavior, or style that is strikingly unusual, unpredictable, or out of the ordinary. Often carries a nuance of being so unexpected that it surprises or shocks.
彼の突飛な発想にはいつも驚かされる。
I'm always surprised by his wild ideas.
そのファッションはあまりにも突飛で、誰も真似
That fashion is too outlandish; no one can imitate it.
奇抜 emphasizes novelty and originality, often in a creative or striking way, while 突飛 stresses the unexpected, erratic, or shockingly unconventional aspect.
型破り means unconventional or rule-breaking, but often with a positive connotation of breaking molds; 突飛 can be more neutral or negative, implying recklessness or weirdness.
Compound of 突 (thrust, sudden) and 飛 (fly, leap), suggesting something that suddenly leaps out or deviates from the norm. The exact historical derivation is uncertain.