adverse (adj) - hostile, harmful, or unfavorable; opposite [ad-vurs]
BREAKDOWN: AD- (towards) + VERS- (turn)
adversity is sustained hardship, difficulty, or misfortune
COMMONLY CONFUSED: averse means strongly disliking or opposed to; unwilling
See also: inadvertently, traverse
“Under adverse conditions, some people break down, some break records.” —Shiv Khera