The term 'became inedible' can be described by four crossword solutions: rotted (6 letters), turned (6 letters), SPOILED (7 letters), and wentbad (7 letters). All of these words refer to the process of food becoming inedible due to age, improper storage, or contamination. Rotted implies that the food has decayed over time, while turned suggests that the food has changed in color or texture. SPOILED and wentbad both indicate that the food has been exposed to bacteria or other contaminants, making it unsafe to eat.