Longman Dictionary of Contemporary English
top-ranking
adjective
EXAMPLES FROM CORPUS
▪ The nation's top-ranking artists provided works for public places.
▪ The Profitboss identifies Marilyn McGregor as the top-ranking customer service engineer, highlighting the stream of compliments she gets from the field.
Wiktionary
top-ranking
a. Of the highest rank
WordNet
top-ranking
adj. of the highest rank; used of persons; "the commanding officer" [syn: commanding, ranking, top-level]
Usage examples of "top-ranking".
He had been given a year quest, an honor normally bestowed exclusively upon the top-ranking Deneiran priests, and one most often given only to the headmasters themselves!
Something of critical value to those English swine, so sensitive that top-ranking men had been left out in the cold.