Meaning of Keystone: A nickname for someone who is essential and holds everything together.
Literal Meaning of Keystone: Refers to the central stone in an arch that holds all other stones in place, symbolizing importance and support.
Popularity: Low
Origin: English
Example:
Emily: Have you seen how essential John is to the team?
Mark: Yeah, that’s why we call him Keystone.
Emily: He’s the one holding everything together.
Related Nicknames: Pillar, Anchor, Foundation.