Meaning of the word "fight tooth and nail" in English

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

fight tooth and nail

US /faɪt tuθ ænd neɪl/
UK /faɪt tuθ ænd neɪl/
"fight tooth and nail" picture

Idiom

1.

to fight with great intensity and determination, using all available resources

Example:
They had to fight tooth and nail to keep their business afloat during the recession.
She will fight tooth and nail for her children's rights.
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