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at heart

Definition of at heart

  1. 1 :  at the most basic level :  in one's true feelings <I'm really a romantic at heart.> <She's 81 years old, but she's still young at heart.>

  2. 2 :  as a main concern <We have your best interests at heart.>

Word by Word Definitions

  1. :  a hollow muscular organ of vertebrate animals that by its rhythmic contraction acts as a force pump maintaining the circulation of the blood

    :  a structure in an invertebrate animal functionally analogous to the vertebrate heart

    :  breast, bosom

  1. :  hearten

    :  to fix in the heart

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