unattested
adjective
un·at·test·ed
ˌən-ə-ˈte-stəd 
: not shown, proven, or stated to be true or real : not attested
an unattested verb form
an unattested will
Cite this Entry
“Unattested.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unattested. Accessed 31 Oct. 2025.
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