What is the meaning of tiptop?

noun

• The highest level or degree attainable; the highest stage of development.
  • usage: "his landscapes were deemed the acme of beauty"; "the artist's gifts are at their acme"; "at the height of her career"; "the peak of perfection"; "summer was at its peak"; "... Catapulted Einstein to the pinnacle of fame"; "the summit of his ambition"; "so many highest superlatives achieved by man"; "at the top of his profession"
  • synonyms: acme, height, elevation, peak, pinnacle, summit, superlative, meridian, top
• The extreme top or summit.

adjective

• Of the highest quality.
  • usage: "an ace reporter"; "a crack shot"; "a first-rate golfer"; "a super party"; "played top-notch tennis"; "an athlete in tiptop condition"; "she is absolutely tops"
  • synonyms: ace, A-one, crack, first-rate, super, topnotch, top-notch, tops