Definition of heartsick
: very despondent : depressed
Examples of heartsick in a sentence
They were absolutely heartsick over the loss of their home.
I was heartsick to learn of their divorce.
First Known Use of heartsick
HEARTSICK Defined for English Language Learners
Definition of heartsick for English Language Learners
: very sad or disappointed
HEARTSICK Defined for Kids
Definition of heartsick for Students
: very sad
Seen and Heard
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