Antonyms of adj saturnine

2 senses of saturnine

Sense 1
saturnine -- (bitter or scornful; "the face was saturnine and swarthy, and the sensual lips...twisted with disdain"- Oscar Wilde)

INDIRECT (VIA sarcastic) -> unsarcastic -- (not sarcastic)

Sense 2
dark, dour, glowering, glum, moody, morose, saturnine, sour, sullen -- (showing a brooding ill humor; "a dark scowl"; "the proverbially dour New England Puritan"; "a glum, hopeless shrug"; "he sat in moody silence"; "a morose and unsociable manner"; "a saturnine, almost misanthropic young genius"- Bruce Bliven; "a sour temper"; "a sullen crowd")

INDIRECT (VIA ill-natured) -> good-natured -- (having an easygoing and cheerful disposition; "too good-natured to resent a little criticism"; "the good-natured policeman on our block"; "the sounds of good-natured play")

Similarity of adj saturnine

2 senses of saturnine

Sense 1
saturnine -- (bitter or scornful; "the face was saturnine and swarthy, and the sensual lips...twisted with disdain"- Oscar Wilde)
       => sarcastic (vs. unsarcastic) -- (expressing or expressive of ridicule that wounds)

Sense 2
dark, dour, glowering, glum, moody, morose, saturnine, sour, sullen -- (showing a brooding ill humor; "a dark scowl"; "the proverbially dour New England Puritan"; "a glum, hopeless shrug"; "he sat in moody silence"; "a morose and unsociable manner"; "a saturnine, almost misanthropic young genius"- Bruce Bliven; "a sour temper"; "a sullen crowd")
       => ill-natured (vs. good-natured) -- (having an irritable and unpleasant disposition)