English Reference
Idiom idiom

hard as nails


Very unsympathetic; callous

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

The boss is hard as nails and never shows any pity.

CONTEXTUAL

Do not expect any sympathy from the manager, as she is hard as nails when it comes to following company rules.

COMPLEX

Despite the desperate pleas of his employees, the director remained hard as nails, refusing to offer any leniency regarding the strict new deadlines.


Related idioms8entries
  1. 01

    another nail in someone's coffin

    An event that increases the likelihood of or causes further failure.

  2. 02

    bite one's nails

    To worry or fret over something.

  3. 03

    bone hard

    As hard as a bone, rock hard.

  4. 04

    cold hard cash

    Money, regarded as an incentive that can override any doubts or ethical concerns.

  5. 05

    die hard

    Of a living being, to die only after a desperate struggle for life.

  6. 06

    drive a hard bargain

    To negotiate forcefully.

  7. 07

    final nail in the coffin

    Something that is ultimately responsible for a previously prospective demise or failure.

  8. 08

    give someone a hard time

    To cause difficulty or make trouble for someone.

Last updated August 10, 2026