saturnine

adjective6

1. •
   Of a person: having a tendency to be cold and gloomy.

   • These gentlemen, with an equal share of pride, pedantry, and saturnine disposition, were by the accidents of education and company, diametrically opposite in political maxims; [...] — 1751
2. •
   Of a setting: depressing, dull, gloomy.

   • This saturnine line of thinking proceeds as the clouds overhead start to coalesce and the sky takes on its regular clothy P.M. weight. — 1997
3. •
   Caused or affected by lead poisoning (saturnism).
4. •
   Belonging to or resembling butterflies of the family Saturnidae.
5. •
   (no longer used) Synonym of leaden, of or related to the metal lead, associated with the planet Saturn in European alchemy.
6. •
   (no longer used) Pertaining to the astrological influence of the planet Saturn; having the characteristics of a person under such influence (see sense 1).

   • The Bright Stars in the Dragon, are Saturnine and Martial. They of Cephas, Saturnine and Jovial. They of [the] Boots Mercurial and Saturnine. — 1701

adjective1

1. •
   Of or relating to the ancient Roman god Saturn.