DETERRENT
deterrent
(adjective) tending to deter; “the deterrent effects of high prices”
hindrance, hinderance, deterrent, impediment, balk, baulk, handicap
(noun) something immaterial that interferes with or delays action or progress
Source: WordNet® 3.1
Etymology
Adjective
deterrent (comparative more deterrent, superlative most deterrent)
Serving to deter, preventing something from happening.
Noun
deterrent (plural deterrents)
Something that deters.
Source: Wiktionary
De*ter"rent, a. Etym: [L. deterrens, p. pr. of deterrere. See Deter.]
Definition: Serving to deter. "The deterrent principle." E. Davis.
De*ter"rent, n.
Definition: That which deters or prevents.
Source: Webster’s Unabridged Dictionary 1913 Edition