noun, na-adjective
nonsense; rubbish; irresponsible remark
Refers to statements or ideas that are absurd, groundless, or not to be taken seriously. Often used to dismiss something as complete nonsense.
彼の言っていることは全部でたらめだ。
Everything he's saying is nonsense.
そんなでたらめな話を信じる人はいない。
No one believes such a ridiculous story.
na-adjective, noun
random; haphazard; unsystematic
Describes actions, choices, or arrangements that lack order, plan, or consistency; done without thinking or based on chance.
でたらめに数字を選んでも当たらないよ。
You won't win if you pick numbers at random.
本棚に本がでたらめに並んでいる。
The books are arranged haphazardly on the shelf.