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