hard as nails

adjective

Very unsympathetic; callous.

Similar
tough as nails
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Meanings

adjectivehard as nails (not comparable)
  1. idiomaticnot comparablesimileVery unsympathetic; callous.
  2. idiomaticnot comparablesimileAble to endure difficulties; tough.

    Synonyms: tough as nails

Synonyms & antonyms

adjectiveAble to endure difficulties; tough.

Similar
tough as nails
Also see
tough as nails

Rhymes & wordplay

Rhymes with hard as nails

saleswalestalesscalesmalesnailsmailstailssailsVersaillesdalesalesMarseillespaleskayles
All rhymes →
Cite this entry
APA

hard as nails. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/hard%20as%20nails

MLA

“hard as nails.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hard%20as%20nails. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “hard as nails,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/hard%20as%20nails.

Source: hard as nails on Wiktionary, CC BY-SA 4.0.