Definition of "backbreakingly" []

• In a backbreaking manner. (adverb)

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• "Ariana suddenly felt exhausted and backbreakingly sad."
• "Moviemaking was colossally complex, backbreakingly difficult, obscenely expensive — and it almost always failed."
• "We have a HEAVY pine kingsize bed that pretty much fills the room, a backbreakingly heavy mattress and a three-door wardrobe that is just not going to be funny to move even an inch."