Definitions:

1. the highest point (of something) noun
   • at the peak of the pyramid
2. the most extreme possible amount or value noun
   • voltage peak
3. the top or extreme point of something (usually a mountain or hill) noun
   • the view from the peak was magnificent

Synonyms:

• acme
• apex
• bill
• crest
• elevation
• extremum
• flush
• point
• tip
• top out

NearBy Words:

• peaked
• peaky