The trial and sentencing phase was grueling for the jurors and the Petit family.
From the abcnews.go.com
Definitely better than the album, and after a pretty grueling tour schedule too.
From the guardian.co.uk
On a torturous, grueling journey, his uncle disappeared somewhere along the way.
From the suntimes.com
Santos emerges victorious weeks later, but only after a grueling election night.
From the nytimes.com
This week he ramped it up, pushing his Bulldogs through some grueling practices.
From the fresnobee.com
It's been grueling, challenging, tiring, emotional and still absolutely amazing.
From the dailyherald.com
It's the latest make-or-break event on the grueling Democratic primary schedule.
From the toledoblade.com
Who could have predicted this Iron Man run at baseball's most grueling position?
From the post-gazette.com
Every aspiring SEAL must pass a grueling six-month regimen at the facility here.
From the latimes.com
More examples
Arduous: characterized by effort to the point of exhaustion; especially physical effort; "worked their arduous way up the mining valley"; "a grueling campaign"; "hard labor"; "heavy work"; "heavy going"; "spent many laborious hours on the project"; "set a punishing pace"
Alternative spelling of gruelling
Physically or mentally demanding to the point of exhaustion