What is "outpolled"

Usage examples of "outpolled".

But I question his political wisdom in coming here-Seymour and McClellan both outpolled him in this state, Seymour by an enormous margin, so how can he hope to sway any substantial number of voters?

As third-party candidate, Roosevelt outpolled Republican William Howard Taft in the 1912 elections, but he lost to Democrat Woodrow Wilson.

With their help, McGovern had outfought and outpolled politicians who were more established, more charismatic, or both: Hubert Humphrey.