adj.
having the top rank or position in a particular hierarchy: America's highest-ranking military officer
Oxford Dictionary
adj.
having a senior or important position in a particular hierarchy: a high-ranking government official
Oxford American Dictionary
adj.
having a senior or important position in a particular hierarchy: a high-ranking government official
Oxford Dictionary
adj.
having the top rank or position in a particular hierarchy: America's highest-ranking military officer
Oxford American Dictionary