prey on/upon someone's mind

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.

Word by Word Definitions

prey play
  1. : spoil, booty

  2. : an animal taken by a predator as food

  3. : one that is helpless or unable to resist attack : victim

  1. : to make raids for the sake of booty

  2. : to seize and devour prey

  3. : to commit violence or robbery or fraud

upon play
  1. : on

  1. : on the surface : on it

  2. : thereafter, thereon

someone play
  1. : some person : somebody

mind play
  1. : recollection, memory

  2. : the element or complex (see 1complex 1) of elements in an individual that feels, perceives, thinks, wills, and especially reasons

  3. : the conscious mental events and capabilities in an organism

  1. : remind

  2. : remember

  3. : to attend to closely


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