heartsick

From heart +‎ sick.

heartsick (comparative more heartsick, superlative most heartsick)

1. Very despondent or sorrowful; heartsore.
   • 2024 September 17, Lauren DePino, “I Sang at Hundreds of Funerals. This Is What I Learned About Grief.”, in The New York Times Magazine‎^[1]:

     I stood close to heartsick mourners and worried that I would not sustain the enormousness of their spiritual weight.