long-suffering
🇺🇸
/ˌlɔːŋ ˈsʌfərɪŋ/
🇬🇧
/ˌlɒŋ ˈsʌfərɪŋ/
Patiently enduring pain, trouble, or annoyance without complaining.
The long-suffering employees put up with the boss's constant changes to their schedules.