simple past tense and past participle of cook
"She cooked dinner while her father prepared the dessert."
In plain English: To cook something means to heat it up so that food becomes ready to eat.
"She cooked dinner for her family last night."
having been prepared for eating by the application of heat
"The potatoes were thoroughly cooked until they were soft and ready to eat."
Of food, that has been prepared by cooking.
"The vegetables were cooked until they were soft and tender."
In plain English: Cooked means something that has been heated until it is ready to eat and safe for consumption.
"The vegetables were perfectly cooked and ready to eat."
Usage: Use this adjective to describe any edible item that has undergone heat treatment or other preparation methods like steaming or baking. It is the standard term for distinguishing ready-to-eat meals from raw ingredients in everyday conversation.
Cooked is simply the past tense form of the verb cook, which entered English from Old Norse and originally referred to preparing food by heat. Because its meaning has not changed over time, it traveled directly into modern usage without any shift in definition.