The five-set tennis match is one of sport's most exhausting events.

This experience, alongside being mother to a newborn baby, has been the most exhausting, but also most strengthening of her life.

He then became an assignment editor for a year, which he described as "the single most exhausting job I ever had."

"That," she said with infinite weariness, "has got to be the single most exhausting day of my life."

It was one of the most exhausting but important times of my young life.

There had been dinner and dancing and charades of the most exhausting kind.

They said May was their most exhausting and exhilarating month.

This last part of Jenny's day was the most exhausting; not physically, but mentally.