topflight

from The Collaborative International Dictionary of English v.0.48

Topflight \Top"flight\, a.
   unexcelled; of the highest grade; of greatest skill;
   exhibiting excellence; a topflight performance.
   [PJC]

from Moby Thesaurus II by Grady Ward, 1.0

44 Moby Thesaurus words for "topflight":
      arch, banner, capital, cardinal, central, champion, chief,
      crowning, dominant, first, first-chop, first-class, first-rate,
      focal, foremost, great, headmost, hegemonic, leading, magisterial,
      main, master, overruling, paramount, predominant, preeminent,
      preponderant, prevailing, primal, primary, prime, principal,
      ranking, ruling, sovereign, star, stellar, supereminent, tip-top,
      top-drawer, top-hole, top-notch, topping, tops