ultroneous

adjective

ul·​tro·​ne·​ous

ˌəlˈtrōnēəs

Scots law

: that voluntarily offers testimony without being cited

an ultroneous witness

Word History

Etymology

Latin ultroneus voluntary, spontaneous, from ultro beyond, beyond expectation, spontaneously, from ablative singular masculine or neuter of (assumed) ulter situated beyond

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!