Difference between Pessimism and Gloom

PESSIMISM vs GLOOM: NOUN

A disposition to take the least hopeful view of things.
The opinion or doctrine that everything in nature is ordered for or tends to the worst, or that the world is wholly evil; -- opposed to optimism.
The worst possible condition; the point of greatest deterioration.
The tendency to exaggerate in thought the evils of life, or to look only upon its dark side; a melancholy or depressing spirit or view of life.
The doctrine that the development of the universe has such a law that it must ultimately reach, or at least tend toward, the same nonexistence from which it sprang.
The doctrine that this world is the worst possible.
In metaphysics:
The doctrine or belief that the evil in the world outweighs the good.
The doctrine or belief that this is the worst of all possible worlds and that all things ultimately tend toward evil.
A tendency to stress the negative or unfavorable or to take the gloomiest possible view.
A general disposition to look on the dark side and to expect the worst in all things
A general belief that bad things will happen.
The feeling that things will turn out badly

Partial or total darkness; dimness.
An atmosphere of depression and melancholy
A state of partial or total darkness
A feeling of melancholy apprehension
A partially or totally dark place, area, or location.
A melancholy, depressing or despondent atmosphere
Darkness, dimness or obscurity.
In gunpowder manufacture, the drying oven.
Cloudiness or heaviness of mind; melancholy; aspect of sorrow; low spirits; dullness.
A shady, gloomy, or dark place or grove.
Partial or total darkness; thick shade; obscurity.
In gunpowder-manuf., the drying-oven.
A depressing or disheartening condition of affairs; a dismal aspect or prospect.
Cloudiness or heaviness of mind; dejection, melancholy, sullenness, and the like, or an aspect indicative of such feelings.
Hence — A dark place.
Dim, glimmering shade; deep twilight; cheerless obscurity; darkness: as, the gloom of a forest.
A state of melancholy or depression; despondency.
An atmosphere of melancholy or depression.

To be or become dark, shaded, or obscure.
To feel, appear, or act despondent, sad, or mournful.
To make dark, shaded, or obscure.
To make despondent; sadden.
To become dark or dim; to be or appear dismal, gloomy, or sad; to come to the evening twilight.
To shine or appear obscurely or imperfectly; to glimmer.

To appear dimly; be seen in an imperfect or waning light; glimmer; be in darkness or obscurity.
To exhibit or produce a somber or melancholy feeling; appear sad, gloomy, or dismal; frown; lower.
To darken, or make dark, gloomy, or somber.
To fill with gloom or despondency; make gloomy or sad.

Unease, Uneasiness, Despair, Sentiment, Bearishness, Disillusionment, Bullishness, Skepticism, Negativism, Negativity, Despondency, Cynicism, Optimism, Doom, Gloom

Pessimist, Unhappiness, Darkness, Sadness, Murk, Sombre, Drear, Hopelessness, Misery, Despair, Pessimism, Sombreness, Somberness, Glumness, Gloominess

Gloominess, Apathy, Ambivalence, Malaise, Fatalism, Hopefulness, Hopelessness, Unease, Uneasiness, Despair, Disillusionment, Negativity, Despondency, Doom, Gloom

Dark, Sorrow, Grief, Pessimist, Unhappiness, Darkness, Sadness, Murk, Sombre, Drear, Hopelessness, Misery, Despair, Sombreness, Gloominess

The adapted algorithms trade off complexity with pessimism.
Yet most of the reviews hew toward pessimism.
But evidence proves that such pessimism is unwarranted.
Pessimism seems more relevant these days, doesnt it?.
Jean-Jacques Rousseau The major themes of philosophical pessimism were first presented by Rousseau and he has been called "the patriarch of pessimism".
Validity Evidence for Distinguishing Optimism and Pessimism Previous research has also demonstrated that optimism and pessimism relate differentially to other personality constructs.
Final pessimism of Leonardo an expression of inevitable progression of humanism towards pessimism.
Similarly, the initial decline in pessimism following marriage was not followed by an equal adaptive increase in pessimism.
For Nietzsche this was a "pessimism of the future", a " Dionysian pessimism.".
Pessimism is so rooted in a legal mind that high levels of pessimism correlate with law school GPA.