swear upon
In real, traceable use. Part of the curated seed collection; community review is coming.
Also seen as: swear on
Meaning · English
To take an oath on someone or something.
Where it’s used:
Used
American English
Examples
to swear upon the Holy Writ to speak the truth
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “swear upon” mean?
To take an oath on someone or something.
Is “swear upon” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.