Unusual or eccentric; strikingly odd or unconventional (often used as a na-adjective to describe outrageous or offbeat ideas/behavior).
彼の発想はいつも突飛で、会議ではよく驚かされる。
His ideas are always eccentric, and they often surprise us in meetings.
突飛なアイデアが思わぬヒットを生むこともある。
An outrageous idea can sometimes produce an unexpected hit.
そんな突飛な行動は周りを困らせるので控えてほしい。
I wish you wouldn't do such reckless behaviour because it troubles those around you.