Definition of "high noon" in English

Noun

1. Exactly noon; midday (when the sun is at its highest).

   • The same streets that are inviting and quiet at high noon may be intimidating at night.

2. The zenith or apex of one's life or of a certain activity or era.

3. A time, set out in advance, at which an important decision is to be made or a nemesis is to be confronted.