deterrent Synonyms

check impediment hindrance restraint discouragement preventative handicap hinderance obstacle warning baulk disincentive barrier balk penalty precautionary preclusive preemptive prevent penal preventive measure obstructive obstruction obstructer monitory monitorial preventer preventive prohibitive pre-emptive countermeasure bottleneck ball and chain monkey wrench obstructor threat stumbling-block stop snag restriction repellent prophylactic menace limitation lesson damper defense defensive deterring deter