Definition of outmaster in English:

outmaster

verb

  • with object To overcome in a struggle for superiority or mastery.

Origin

Late 18th century; earliest use found in Hudson Gurney (1775–1864), antiquary and banker. From out- + master.

Pronunciation

outmaster

/ˌaʊtˈmɑːstə//ˌaʊtˈmastə/