/ ˌʌnəˈdʌltəreɪtɪd; NAmE / adjective
1.
[ usually before noun ] you use unadulterated to emphasize that sth is complete or total
SYN undiluted :
For me, the holiday was sheer unadulterated pleasure.
2.
not mixed with other substances; not adulterated
SYN pure :
unadulterated foods