unequalled
adjective
[ ʌnˈiːkw(ə)ld ]
• superior to all others in performance or extent.
• "a range of facilities unequalled in London"
Similar:
unbeaten,
unmatched,
matchless,
unrivalled,
without equal,
unsurpassed,
unparalleled,
without parallel,
peerless,
incomparable,
beyond compare,
inimitable,
second to none,
record,
best ever,
nonpareil,
unique,
par excellence,