Saturnine

Part of speech: adjective (a.)

1. Born under, or influenced by, the planet Saturn.

2. Heavy; grave; gloomy; dull; -- the opposite of mercurial; as, a saturnine person or temper. Addison.

3. Of or pertaining to lead; characterized by, or resembling, lead, which was formerly called Saturn. [Archaic] Saturnine colic (Med.), lead colic.