Difference between Unfortunate and Disastrous

UNFORTUNATE vs DISASTROUS: NOUN

An unlucky person.
One who or that which is unfortunate; one who has fallen into misfortune or misery.
A victim of bad luck.
A person who suffers misfortune

Unsuitable or regrettable
Not auspicious; boding ill
Having bad luck; unlucky.
Characterized by, bringing, or causing misfortune.
Regrettable; deplorable.
Not fortunate; unsuccessful; not prosperous; unlucky; attended with misfortune; unhappy
Not favored by fortune
Marked or accompanied by or resulting in misfortune
Not favored by fortune; marked or accompanied by or resulting in ill fortune

(of events) having extremely unfortunate or dire consequences; bringing ruin
Accompanied by or causing distress or disaster; calamitous.
Extremely bad; terrible.
Full of unpropitious stellar influences; unpropitious; ill-boding.
Attended with suffering or disaster; very unfortunate; calamitous; ill-fated; ending in utter failure or ruin
Of the nature of a disaster; calamitous.
Foreboding disaster; ill-omened.

Not fortunate; not prosperous; unlucky; unhappy: as, an unfortunate adventure; an unfortunate man.
Synonyms Unsuccessful, ill-fated, ill-starred, disastrous, calamitous. See fortunate.
Boding ill
Not auspicious

Bringing ruin
Ruinous; unfortunate; calamitous; occasioning great distress or injury: as, the day was disastrous; the battle proved disastrous.
Gloomy; dismal; threatening disaster.

Fateful, Abject, Poor, Pitiful, Miserable, Pitiable, Wretched, Unhappy, Inauspicious, Calamitous, Pathetic, Disastrous, Unlucky, Misfortunate, Regrettable

Wretched, Abysmal, Miserable, Terrible, Horrendous, Ruinous, Dismal, Catastrophic, Devastating, Dreadful, Black, Fatal, Fateful, Unfortunate, Calamitous

Fateful, Abject, Poor, Pitiful, Miserable, Pitiable, Wretched, Unhappy, Inauspicious, Calamitous, Pathetic, Disastrous, Unlucky, Misfortunate, Regrettable

Wretched, Abysmal, Miserable, Terrible, Horrendous, Ruinous, Dismal, Catastrophic, Devastating, Dreadful, Black, Fatal, Fateful, Unfortunate, Calamitous

In some legal systems, this has unfortunate consequences.
DVR, which is unfortunate, but not too pricey.
This is very unfortunate and sad to hear.
Antioch were rewarding despite her unfortunate teaching experience.
This is unfortunate because they are quite different.
In retail, angry customers are an unfortunate reality.
So unfortunate, because this is a WONDERFUL area!
In my opinion, this is an unfortunate loss.
These rare situations are unfortunate and unacceptable incidents.
Predictions can be an unfortunate encounter with an unfortunate encounter assured of emergency or a high indignity.

To continue this disastrous alliance longer is madness.
This war was extremely disastrous to the colonies.
Maryland Democratic Party since the disastrous Rain Tax.
If not at once it will be disastrous.
Its removal can be nothing short of disastrous.
Making a quick purchase will likely be disastrous.
You very probably find the result completely disastrous.
We might want to cut off disastrous possibilities.
My last experience with this airline was disastrous.
Changing one disastrous energy source for a slightly less disastrous one is not progress.