What does "big enchilada" mean?

A very important person, especially the highest-ranking individual in an organization.

What is a synonym for "big enchilada"?

Common synonyms include: big cheese, big deal, big fish, big gun, big shot, big wheel.

noun, slang

noun, slang ·Moderate ·College level

Noun

1
A very important person, especially the highest-ranking individual in an organization. slang
"The detectives were trying to identify the big enchilada who controlled the entire criminal network."
2
an important influential person wordnet
3
Some item of high value, especially a top prize or reward. slang
"When the lottery results were announced, he was stunned to learn that the big enchilada was all his."

"The detectives were trying to identify the big enchilada who controlled the entire criminal network."