ad unguem
Latin phrase
ad un·guem
äd-ˈu̇ŋ-ˌgwem 
: to the fingernail : to a nicety : exactly (from the use of the fingernail to test the smoothness of marble)
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“Ad unguem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ad%20unguem. Accessed 7 Dec. 2025.
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