the GNU version of the Collaborative International Dictionary of English
adj. spreading contamination; especially radioactive contamination.
adj. causing moral or behavioral degredation.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. spreading pollution or contamination; especially radioactive contamination
adj. that infects or taints
Word Usage
"Often enough, unfortunately, such a defender of an expiring ideology, by proclaiming it to be nature's own law, succeeds in contaminating the more gullible of his opponents, who, unaware of their defeat, then begin to retaliate in kind."