Backbreaking definitions

Backbreaking

1) Arduous 2) Demanding 3) Effortful 4) Grueling 5) Gruelling 6) Heavy 7) Laborious 8) Punishing 9) Tiring 10) Toilsome
Found on https://www.crosswordclues.com/clue/backbreaking

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Backbreaking

1) Arduous 2) Grueling 3) Gruelling 4) Hard 5) Heavy 6) Laborious 7) Onerous 8) Punishing 9) Really strenuous 10) Toilsome
Found on https://www.crosswordclues.com/clue/backbreaking

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