1. serves (food or drink) in excessive quantities or too many times
2. provides service or assistance beyond what is needed or requested

Examples

• The restaurant overserves portions, leaving many customers unable to finish their meals.
• She overserves wine at every dinner party, filling glasses before guests ask.
• The hotel staff overserves amenities, sometimes making guests feel overwhelmed.
• He overserves his elderly mother, doing tasks she is still capable of doing herself.
• The catering company overserves appetizers, resulting in significant food waste.