to excess

to excess (not comparable)

1. So much more than the normal amount that it becomes harmful or unhealthy.

   Synonyms: to death, to distraction

• “to excess” (US) / “to excess” (UK) in Macmillan English Dictionary.
• “to excess”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
• “to excess”, in Collins English Dictionary.