untiring
- s characterized by hard work and perseverance
- Madoff was such an improbable monster that the public followed the story with untiring fascination week-after-week.
- He is Yale University's Kenneth Scott Latourette, 78, a precise, untiring Baptist minister, who has just overseen the publication of his 568-page The Twentieth Century Outside .
- Through his untiring efforts and good results, he has shown what role mediation of various kinds can play in the resolution of international conflicts.