sweetheart

US /ˈswiːt.hɑːrt/
UK /ˈswiːt.hɑːrt/
"sweetheart" picture
1.

a person loved by another

:
Happy Valentine's Day, my sweetheart!
He bought flowers for his sweetheart.
2.

a kind or pleasant person

:
She's such a sweetheart, always helping others.
Thank you for your help, you're a real sweetheart!
1.

used as a term of endearment

:
Come here, sweetheart, I have something for you.
Don't worry, sweetheart, everything will be fine.