prey on/upon someone's mind

idiom

Definition of prey on/upon someone's mind

: to make someone worry : to be constantly on someone's mind Her growing debts preyed on her mind. The thought that he could have done better preyed on his mind.

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prey on/upon

prey on/upon someone's mind

prey/weigh on someone's mind

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Cite this Entry

“Prey on/upon someone's mind.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prey%20on%2Fupon%20someone%27s%20mind. Accessed 27 Sep. 2021.

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