Definition of suppletory oath
: a restricted oath formerly administered to a party not competent as a general witness but offering documents in evidence and asked to make just and true answers to questions put by the court to prove the authenticity of the documents
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up suppletory oath? Please tell us where you read or heard it (including the quote, if possible).