Related Clues:

• Like a tough cookie?
• Like dated food
• Like day-old donuts
• Hard, as bread
• Heard too often
• Like old jokes
• Like 'Have a nice day'
• Formulaic
• Flat, as cola
• Not the least bit fresh
• Corny
• Clichéd
• Stuffy, as air
• Like 'Have a nice day!'
• Lacking originality