half-boiled; half-cooked; half-done
Describes food that is only partially cooked. Can also be used figuratively for something half-baked or incomplete.
This egg is half-boiled, so please cook it a little more.
Success is difficult with a half-baked plan.
Compound of 半 (half) and 煮え (boiling/cooking), the noun form of 煮える (to be boiled/cooked).