the GNU version of the Collaborative International Dictionary of English
adj. Not contagious; not catching; not communicable by contact.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. (of disease) not capable of being passed on
Word Usage
"But still want to update you that at least a third test that has been taken on him has come back negative, showing that he is relatively noncontagious, which is the way that they phrased it still."