unadulterate

From un- +‎ adulterate.

• IPA^(key): /ˌʌnəˈdʌltəɹət/

unadulterate (comparative more unadulterate, superlative most unadulterate)

1. (archaic) Not adulterated; pure.

   Synonym: unadulterated

   • 1782–1785, William Cowper, “(please specify the page)”, in The Task, a Poem, […], London: […] J[oseph] Johnson;  […], →OCLC:

     unadulterate air

   • 1820, Percy Bysshe Shelley, Oedipus Tyrannus; Or, Swellfoot The Tyrant: A Tragedy in Two Acts:

     because he
     Attended public meetings, and would always
     Stand prating there of commerce, public faith,
     Economy, and unadulterate coin,
     And other topics, ultra-radical

• unadulterately

• “unadulterate”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.