tough as nails

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tough as nails

adjective

  1. idiomatic, not comparable Having a hard, strong, and determined mindset. Near-synonyms: hardcore, diehard, steely-spined, steely-nerved, steely-eyed, steely, flinty

    Similar: tough as teak, tough as old boots, hard as nails, hardcore, diehard, steely-spined, steely-nerved, steely-eyed, steely, flinty

  2. not comparable Very tough.

    Similar: tough as teak, tough as old boots

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adj having a determined mindset

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MLA

"tough as nails." Wiktionary, via Micwyn, micwyn.com/word/tough%20as%20nails. Accessed 6 Nov. 2026.

APA

tough as nails. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/tough%20as%20nails

Chicago

"tough as nails." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/tough%20as%20nails.

BibTeX
@misc{tough_as_nails_2026,
  title = {tough as nails},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/tough%20as%20nails},
  urldate = {2026-11-06}
}