1. Bitter or scornful
   "the face was saturnine and swarthy, and the sensual lips...twisted with disdain" 
2. Showing a brooding ill humour
   "a saturnine, almost misanthropic young genius"
   - dark, dour, glowering, glum, moody, morose, sour, sullen

See also: ill-natured, sarcastic

• Leucadendron
• Leucadendron argenteum
• leucaemia
• Leucaena
• Leucaena glauca
• Leucaena leucocephala
• Leucanthemum
• Leucanthemum lacustre
• Leucanthemum maximum
• Leucanthemum superbum
• Leucanthemum vulgare
• leucine
• Leuciscus
• Leuciscus cephalus
• Leuciscus leuciscus
• leucite
• leuco-
• leucocyte
• leucocytosis
• leucocytozoan
• leucocytozoon
• Leucogenes
• Leucogenes leontopodium
• leucoma
• leucopenia