Grueling definitions

Grueling

1) Arduous 2) Backbreaking 3) Effortful 4) Gruelling 5) Hard 6) Heavy 7) Laborious 8) Punishing 9) Toilsome 10) Very tiring
Found on https://www.crosswordclues.com/clue/grueling

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grueling

[Lexical terms] characterized by effort to the point of exhaustion
Found on https://www.vocabulary.com/lists/558097

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