Dictionary
un•beat•a•ble
Pronunciation: (un-bē'tu-bul), [key]—
adj.
1. incapable of being beaten; impossible to defeat:
an unbeatable football team.
2. of surpassingly good quality; excellent:
an unbeatable combination of brains and talent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.