Adjective
unsterile (comparative more unsterile, superlative most unsterile)
Not sterile
The dream portrays Freud's colleague giving Irma an unsterile injection. Source: Internet
Planned surgery performed under sterile conditions is much less risky than that performed under emergency or unsterile conditions. Source: Internet
The contents of the bowel are unsterile, and thus leakage of bowel contents, as from trauma, substantially increases the risk of infection. Source: Internet