1. 
[syn: plain, sheer, unmingled, unmixed]
The Collaborative International Dictionary of English v.0.48:
Unmingled \Unmingled\
   See mingled.
WordNet (r) 3.0 (2006):
unmingled
    adj 1: not mixed with extraneous elements; "plain water"; "sheer
           wine"; "not an unmixed blessing" [syn: plain, sheer,
           unmingled, unmixed]
Moby Thesaurus II by Grady Ward, 1.0:
23 Moby Thesaurus words for "unmingled":
   absolute, bare, clarified, clear, distilled, naked, neat, purified,
   rectified, sheer, straight, unadulterated, unalloyed, unblended,
   uncombined, uncompounded, uncorrupted, undiluted, unfortified,
   unleavened, unmixed, unsophisticated, untinged