Facile princeps is a Latin phrase that means "easy first." This phrase is often used to describe someone who is unquestionably the best or the leader in their field. There are several synonyms that can be used to replace this phrase, including: 1. Unrivaled champion - This phrase describes someone who stands out above all others in their field or area of expertise. 2. Supreme leader - This phrase is often used to describe a person who is in charge and has complete authority over a group or organization. 3. Dominant figure - This phrase describes someone who is considered to be the most influential or powerful figure in their area of expertise. 4. Top dog - This phrase is often used informally to refer to the person who is in charge or who holds the most power in a given situation.