There are 2 main definitions of high point in English:

high point1

Syllabification: high point

noun

The most enjoyable or significant part of an experience or period of time: the high point of her life had been a trip she took to Vancouver
More example sentences
  • The teacher told me that this period was the high point of each week for her students.
  • Built by Earl Gilbert de Clare, the castle represents a high point of medieval architecture.
  • Whatever you might read, these paintings hardly represent a high point in his career.

Definition of high point in: