Synonyms of deterrent

Noun

1. hindrance, hinderance, deterrent, impediment, balk, baulk, check, handicap, difficulty

usage: something immaterial that interferes with or delays action or progress

Adjective

1. deterrent, preventive (vs. permissive), preventative

usage: tending to deter; "the deterrent effects of high prices"

Definition and meaning of deterrent (Dictionary)