Definitions

1. noun

One who has more power, skill, or control than another.

“The new CEO proved to be an outmaster of corporate strategy.”

2. verb

To gain control or supremacy over someone or something.

“The experienced competitor outmastered her younger opponent in the final round.”

3. verb

To defeat or overcome someone or something in a contest or competition.

“The team outmastered their rivals in the championship game.”