unbeaten
un·bea·ten
adjective
1.
not conquered
Origin
From Middle English on bete, unbeten, unibeten; equivalent to un- + beaten; compare Old English ungebeitne (“unhewn”).
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.