adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Having a hard, strong, and determined mindset / mentality. idiomatic

Synonyms

All synonyms

diehardhardcoresteely-eyedsteely-nervedtough as nails

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.