on one's time (adjective, adverb) off duty: not working
Sinonime: aces, all-time,
alone,
best, beyond compare,
champion,
excellent, faultless, gilt-edge, greatest,
incomparable, matchless,
most, nonpareil*,
only,
outstanding, perfect, second to none, solid-gold,
super,
superlative, supreme, tops, unequaled, unexampled, unique, unmatched, unparagoned, unparalleled,
unrivaled,
unsurpassed, world class
Antonime: imperfect,
inferior, lowly,
mediocre,
secondary,
subordinate