untouched, untasted -- (still full; "an untouched cocktail in her hand")
uninfluenced, unswayed, untouched -- (not influenced or affected; "stewed in its petty provincialism untouched by the brisk debates that stirred the old world"- V.L.Parrington; "unswayed by personal considerations")
untouched -- (not having come in contact)
unmoved, unaffected, untouched -- (emotionally unmoved; "always appeared completely unmoved and imperturbable")