English edit

Etymology edit

From firmament +‎ -al (of, pertaining to, suffix forming an adjective).

Pronunciation edit

Adjective edit

firmamental (not comparable)

  1. Of, belonging to, or relating to the firmament or heavens; celestial.
    • 1886, Thomas Hardy, chapter XX, in The Mayor of Casterbridge:
      But there were certain early winter days in Casterbridge—days of firmamental exhaustion which followed angry south-westerly tempests—when, if the sun shone, the air was like velvet.
  2. (rare) Of, belonging to, or relating to support or strengthening.