tiptop

名词 tiptop:

1. the highest level or degree attainable; the highest stage of development
   同义词：acme, height, elevation, peak, pinnacle, summit, superlative, meridian, top
2. the extreme top or summit

形容词 tiptop:

1. of the highest quality
   同义词：ace, A-one, crack, fantastic, first-rate, super, topnotch, tops