adversity

noun, plural ad·ver·si·ties for 2.

1. adverse or unfavorable fortune or fate; a condition marked by misfortune, calamity, or distress: Friends will show their true colors in times of adversity.
2. an adverse or unfortunate event or circumstance: You will meet many adversities in life.

noun plural -ties

1. distress; affliction; hardship
2. an unfortunate event or incident

n.

c.1200, aduersite “misfortune, hardship, difficulty,” from Old French aversité “adversity, calamity, misfortune; hostility, wickedness, malice” (Modern French adversité), from Latin adversitatem (nominative adversitas) “opposition,” from adversus (see adverse).