worry (oneself) sick

idiom

Definition of worry (oneself) sick

: to be extremely worried He worried himself sick before the exam.

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“Worry (oneself) sick.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/worry%20%28oneself%29%20sick. Accessed 26 Feb. 2020.

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