1. Such that comparison is impossible; unsuitable for comparison or lacking features that can be compared
   - incomparable

See also: all-time, alone, best, extraordinary, incommensurable, matchless, nonpareil, one, one and only, peerless, unequaled [US], unequalled [Brit, Cdn], unique, unmatchable, unmatched, unparalleled, unrivaled [US], unrivalled [Brit, Cdn]

• concessionary
• concessioner
• concessive
• conch
• concha
• conchfish
• conchoidal
• conchologist
• conchology
• concierge
• conciliable
• conciliate
• conciliation
• conciliative
• conciliator
• conciliatory
• concinnity
• concise
• concisely
• conciseness
• concision
• conclave
• conclude
• concluded
• concluding