unbettered

unbettered

(ʌnˈbɛtəd)
adj
1. not bettered or improved
2. not bettered or surpassed; unbeaten
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The Red Bull star, 25, has led complaints about Formula One's new, fast-disintegrating tyres but he left his rivals trailing with an unbettered time of 1min 36.435sec late in the session.
If Liverpool exists to win trophies - as the oft-repeated mantra suggests it does - then the inquest and introspection into why the club's still unbettered cup collection has not been added to for a third successive year should already be underway.