stonehard

adj

adj

Etymology From Middle English ston-hard, ston-harde, from Old English *stānheard, equivalent to stone + hard.

Hard as stone

To stare into his cold stonehard heart.1998, Oliver Stone, A Child's Night Dream, →ISBN, page 51:
The second patient of Cosmas and Damian was suffering from a stone-hard tumour in the breast, that had given rise to a contraction around the nipple.2013, D. de Moulin, A short history of breast cancer, page 12:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.