Definify.com

Webster 1828 Edition

, a.

Not beaten; not treated with blows.

Untrod; not beaten by the feet; as unbeaten paths.

unbeaten ‎(not comparable)

not defeated
Arsenal went 25 games unbeaten.
- 2011 September 27, Alistair Magowan, “Bayern Munich 2 - 0 Man City”, in BBC Sport:
  That startling admission capped a miserable night for City as they arrived in Germany following an unbeaten start to the season.
untrodden
We walked across unbeaten grassland.
Not beaten or whisked

Fold in the unbeaten eggs.

Tonight was the first night Abdul's wife was unbeaten.
(cricket) not out
He scored an unbeaten century.

not defeated