English edit

Etymology edit

quench +‎ -less

Adjective edit

quenchless (comparative more quenchless, superlative most quenchless)

  1. That cannot be quenched; unquenchable.
    • 1813, Patrick Brontë, The Rural Minstrel:
      To quell the ragings of his Father's ire, / And save a guilty world from quenchless fire!