king

Noun

• (chess) the weakest but the most important piece

• one of the four playing cards in a deck bearing the picture of a king

• a checker that has been moved to the opponent's first row where it is promoted to a piece that is free to move either forward or backward

• United States charismatic civil rights leader and Baptist minister who campaigned against the segregation of Blacks (1929-1968)

• United States guitar player and singer of the blues (born in 1925)

• United States woman tennis player (born in 1943)

• preeminence in a particular category or group or field
  • the lion is the king of beasts
    

• a very wealthy or powerful businessman
  • an oil baron
    

• a competitor who holds a preeminent position

• a male sovereign; ruler of a kingdom

Related words

• Synonyms: 
  King , Martin Luther King , Martin Luther King Jr. , B. B. King , Riley B King , Billie Jean King , Billie Jean Moffitt King , baron , big businessman , business leader , magnate , mogul , power , top executive , tycoon , queen , world-beater , male monarch , Rex
• Antonyms: 
  queen , queen regnant , female monarch