Meaning of the word "tough cookie" in English

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

tough cookie

US /tʌf ˈkʊki/
UK /tʌf ˈkʊki/
"tough cookie" picture

Idiom

1.

a person who is strong and determined, and not easily intimidated or defeated

Example:
She's a tough cookie, she won't let a little setback stop her.
You have to be a tough cookie to succeed in this competitive industry.
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