Sunday name
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
The full form of one's first name, such as Stephen instead of Steve.
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “Sunday name” mean?
The full form of one's first name, such as Stephen instead of Steve.
Is “Sunday name” formal or informal?
Sunday name is generally slang.