adversity

nouns

a state of misfortune or affliction
"debt-ridden farmers struggling with adversity"; "a life of hardship"
adversity, hard knocks, hardship
is derived from
adverse
a stroke of ill fortune; a calamitous event
"a period marked by adversities"
adversity
is derived from
adverse
is a type of (narrower)
unnecessary and unforeseen trouble resulting from an unfortunate event
bad luck, misfortune