Difference between Unfortunate and Infelicitous

UNFORTUNATE vs INFELICITOUS: 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

Not appropriate in application; defective
Marked by or producing unhappiness
Inappropriate; ill-chosen.
Causing unhappiness; unfortunate.
Not felicitous; unhappy; unfortunate; not fortunate or appropriate in application; not well said, expressed, or done
Unhappy or unfortunate.
Inappropriate or awkward; not well said, expressed, or done.

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

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

Undiplomatic, Ambiguous, Unpoetic, Indelicate, Felicitous, Inelegant, Ungrammatical, Ill chosen, Cumbersome, Unhappy, Unfortunate, Inept, Awkward, Clumsy, Inapt

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

Undiplomatic, Ambiguous, Unpoetic, Indelicate, Felicitous, Inelegant, Ungrammatical, Ill chosen, Cumbersome, Unhappy, Unfortunate, Inept, Awkward, Clumsy, Inapt

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.

Antibiotics are not adequate against viruses such as the simple unfeeling or influenza, and their infelicitous occupation allows the appearance of impervious organisms.
Antibiotics are not proficient against viruses such as the clean dead or influenza, and their infelicitous purchases allows the emergence of unalterable organisms.
Infelicitous incongruities as suggested, it is without question feasible, even if that seems slightly too good when compared with respect and appreciation.
The humor from this infelicitous marriage is heightened by the misexecution of the performative speech act.
Changing contexts rapidly could sometimes have an infelicitous effect; other times it could seem silly or downright absurd.
Prettier than pie, together three years-plus, despite talk of J-Tim's infelicitous, infra dig, illin' infidelity.
The analogy with the posture of human birth is an infelicitous verbal conceit.
He called their failure, their being unhappy or infelicitous.
Scholars have long recognized infelicitous ritual activity in the legend of Kirtu.
Effectively the request is turned down but was not infelicitous.