What is another word for more backbreaker?
Pronunciation: [mˈɔː bˈakbɹe͡ɪkə] (IPA) 
The phrase "more backbreaker" suggests something that is already difficult or challenging but can become even more so. Some synonyms for this phrase could include "more daunting," "more demanding," "more grueling," "more exhausting," "more taxing," "more strenuous," "more arduous," "more challenging," or "more onerous." Using these words in place of "more backbreaker" can help convey the idea of something that requires a significant amount of effort or endurance, and highlights the increased difficulty of a task or activity. Whether you're talking about a workout, a project at work, or a difficult personal challenge, these synonyms can add depth and specificity to your language.
