Synonyms of numero uno

nounThe most important of a group.

• baronA person of great power in society, especially in business and politics.
• big cheeseA very important figure, especially a high-ranking person in an organization.
• big enchiladaA very important person, especially the highest-ranking individual in an organization.
• big gunA person, group, thing, or course of action that is powerful, influential, or particularly effective.
• big kahunaA boss, leader, chieftain, or top-ranking person in an organization.
• big man
• big nameA prominent individual, especially one who is favorably regarded.
• big noise
• big shotA person with a reputation of importance or power.
• bigwigA person of importance in a group or organization.
• big wheelA person with a great deal of power or influence, especially a high-ranking person in an organization.
• boss
• grand poobah
• head honchoThe person in charge; the highest-ranking person in an organization.
• heavy hitter
• heavyweight
• high muckamuckA person in a position of power, authority, or status.
• high muckety-muckSynonym of high muckamuck.
• king of all one surveysPossessing governing authority over a range of territory; having decisive control or oversight over all major matters...
• king of the castleA person who assumes a position of greater importance, authority, or prominence than others.
• king of the hillA person who has achieved a measure of success and is considered to be a leader in his field or otherwise dominant (for...
• kingpinThe most important person in a usually evil undertaking or organization, often a druglord.
• macher USAn important person, often in the negative sense of self-important; a bigwig.
• mayor
• muckamuckA person in a position of power or authority, or of high status.
• muckety muckA high muckamuck; a person (especially self-important) in a position of power, authority, or status.
• mugwumpA (male) leader; an important (male) person.
• panjandrumAn important, powerful or influential person; muckamuck.
• poobah
• rooster
• somebody
• top bananaThe boss, the leader.
• top boyA leader, kingpin, or boss in the drug trade or gang hierarchy.
• top catSynonym of top dog.
• top dog
• top gunSomeone most highly rated.
• very important personA person who is accorded special privileges due to their status or importance.
• VIP
• wheel