1. An altertnative way of describing the poor taste of food.
2. Most often preceded by "not," in order to assure the skeptic that the food is not bad and may, in fact, be delicious.
1. "That rotten cat food I ate out of the garbage was undelicious."
2. "Hey, how's that alligator sandwich, is it delicious?"
"Well... it's not undelicious."