A paragon: a person or thing representing such a high point.
Synonym of crisis, the decisive moment in the course of an illness.
A high point: the highest point of any range, the most developed stage of any process, or the culmination of any field or historical period.
Full bloom or reproductive maturity.
Most unfavorable.
Used with the definite article and an implied noun: something that is worst.
Most inferior; doing the least good.
Most harmful or severe.
Something or someone that is the worst.
To outdo or defeat, especially in battle.