Meaning of “(as) tough as nails” in the English Dictionary

american-english dictionary

"(as) tough as nails" in American English

See all translations

(as) tough as nails

also (as) hard as nails

strong and very determined:

She is a warm and friendly person, but she is also as tough as nails at work.

(Definition of “(as) tough as nails” from the Cambridge Academic Content Dictionary © Cambridge University Press)