unfortunate (adj.)

mid-15c., "unlucky," from un- (1) "not" + fortunate (adj.). Infortunate in same sense is older. In late 18c.-early 19c., unfortunate woman was a polite way to say "prostitute." The noun meaning "one who is not fortunate" is recorded from 1630s.

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Definitions of unfortunate from WordNet
unfortunate (adj.)
not favored by fortune; marked or accompanied by or resulting in ill fortune;
an unfortunate turn of events
an unfortunate night for all concerned
unfortunate investments
an unfortunate decision
unfortunate (adj.)
unsuitable or regrettable;
an unfortunate speech
an unfortunate choice of words
unfortunate (adj.)
not auspicious; boding ill;
Synonyms: inauspicious
unfortunate (n.)
a person who suffers misfortune;
Synonyms: unfortunate person