cruel; heartless; unfeeling.

Origin of iron-hearted

First recorded in 1610–20
Related formsi·ron-heart·ed·ly, adverbi·ron-heart·ed·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for iron-hearted

Historical Examples of iron-hearted

  • How long must the iron-hearted monster feed on our life's blood?

    The Octopus

    Frank Norris

  • We, at all events, are not iron-hearted enough to envy their few enjoyments.

  • And at this moment even the iron-hearted and the reckless were soft and sad.

  • His shield was of iron, his charger iron-coloured and iron-hearted.

    Armour & Weapons

    Charles John Ffoulkes

  • These words, coming from the once iron-hearted Berselius, struck Adams strangely; there was a trace of pity in their tone.

    The Pools of Silence

    H. de Vere Stacpoole