na-adjective, noun
half-boiled; half-cooked; half-done
Describes food that is only partially cooked. Can also be used figuratively for something half-baked or incomplete.
この卵は半煮えだから、もう少し火を通してください。
This egg is half-boiled, so please cook it a little more.
半煮えの計画では成功は難しい。
Success is difficult with a half-baked plan.