What does "backbreaker" mean?

A strenuous and exhausting task, typically involving physical effort.

What is a synonym for "backbreaker"?

Common synonyms include: bitch, chore, handful, hard job, tough proposition.

Pronounced //ˈbækˌbɹeɪkə(ɹ)//.

/ˈbækˌbɹeɪkə(ɹ)/ noun

noun ·Rare ·Advanced level

Noun

From back + breaker.