Difference between Glum and Saturnine

GLUM vs SATURNINE: NOUN

Sullenness.
A sullen look; a frown.
The blues. Often used with the:
The quality or state of being moody, melancholy, and gloomy or an instance of it.

Bitter or scornful
Showing a brooding ill humor
Melancholy or sullen.
Sardonic, bitter, disdainful
Gloomy, depressed, dull
Cold and slow to change and react (refers to mood)
Containing lead, or suffering from lead poisoning (saturnia)
Of or born under Saturn's influence
Lead colic.
Of or pertaining to lead; characterized by, or resembling, lead, which was formerly called Saturn.
Heavy; grave; gloomy; dull; -- the opposite of mercurial.
Born under, or influenced by, the planet Saturn.
Produced by absorption of lead.
Having the temperament of one born under the supposed astrological influence of Saturn.
Having or marked by a tendency to be bitter or sardonic.

[lowercase] In old chemistry, pertaining to lead: as, saturnine compounds.
[lowercase] Arousing no interest; stupid; dull; uninteresting.
[lowercase] Morose; dull; heavy; grave; not readily susceptible to excitement or cheerfulness; phlegmatic.
Pertaining to the god Saturn or the planet Saturn; under the influence of the planet Saturn.

Downbeat, Grim, Bleak, Long faced, Ill natured, Saturnine, Dark, Glowering, Moody, Sour, Sullen, Dejected, Morose, Dour, Gloomy

Sardonic, Tenebrous, Taciturn, Melancholy, Lugubrious, Ill natured, Sour, Glum, Sarcastic, Dark, Dour, Sullen, Morose, Glowering, Moody

Downbeat, Grim, Bleak, Long faced, Ill natured, Saturnine, Dark, Glowering, Moody, Sour, Sullen, Dejected, Morose, Dour, Gloomy

Sardonic, Tenebrous, Taciturn, Melancholy, Lugubrious, Ill natured, Sour, Glum, Sarcastic, Dark, Dour, Sullen, Morose, Glowering, Moody

Scratch a glum Greek, and you'll find a bull.
You look as glum as a Jesuit in Lent.
I avoided parachuting actors portraying Bond and the Queen: no wonder she looked so glum.
They look glum but these Daily Express women were in fact putting on an act.
Or do I drag it by my side half-heartedly, glum and sullen?.
His normally glum expression was replaced by the most charming smile.
Like him she wore hard shoes with a glum expression.
Perhaps this makes you feel glum about your current ass.
Turn and tell your partner why Fred is glum.
Animals, majestic landscapes, glum contestants on a boat.

But the unmitigated Hunt never ceased his overflowing anticipations, nor the saturnine Carlyle his infinite demurs to those finite flourishings.
Richard Kestrel was a renowned poker player and his face, dark and saturnine, revealed nothing of his feelings.
The face was saturnine and swarthy, and the sensual lips seemed to be twisted with disdain.
During the above, JUDGE TURPIN, an elderly man with a saturnine demeanor, eyes Lucy through the luxurious bunches of flowers.
Father Brown seemed rather to like the saturnine candour of the soldier.
The old man lives in the saturnine apartment.