Meaning of the word heartless in English

What does heartless mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

heartless

US /ˈhɑːrt.ləs/
UK /ˈhɑːrt.ləs/

Adjective

1.

cruel and not worrying about other people:

Example:
Don't be so heartless!
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