deterrer
de·ter
(dĭ-tûr′)tr.v. de·terred, de·ter·ring, de·ters
1. To prevent or discourage from acting, as by means of fear or doubt: threats that did not deter her from speaking out; skin chemicals that deter predators.
2. To prevent or discourage (an action or behavior): installed surveillance cameras to deter vandalism.
3. To make less likely or prevent from happening: protocols to deter infection.
[Latin dēterrēre : dē-, de- + terrēre, to frighten.]
de·ter′ment n.
de·ter′ra·ble adj.
de·ter′rer n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
deterrer
(dɪˈtɜːrə)n
a person who or a thing that deters
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014