back
brea
king
Comparative
more backbreaking
Superlative
most backbreaking
1
demanding extremely intense effort and often causing exhaustion
- She spent the entire day doing backbreaking farm labor.
- Lifting heavy boxes all day felt like backbreaking work.
- The backbreaking effort to move all the furniture took hours.
- The backbreaking work of digging trenches left them sore for days.