"tiptop" in the noun sense
1. acme, height, elevation, peak, pinnacle, summit, superlative, meridian, tiptop, top
the highest level or degree attainable the highest stage of development
"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"
2. tiptop
the extreme top or summit
"tiptop" in the adjective sense
1. ace, A-one, crack, first-rate, super, tiptop, topnotch, top-notch, tops
of the highest quality
"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"
Source: WordNet® (An amazing lexical database of English)
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