Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun deterrent

1 sense of deterrent

Sense 1
hindrance, hinderance, deterrent, impediment, balk, baulk, check, handicap -- (something immaterial that interferes with or delays action or progress)
       => difficulty -- (a factor causing trouble in achieving a positive result or tending to produce a negative result; "serious difficulties were encountered in obtaining a pure reagent")

Antonyms of adj deterrent

1 sense of deterrent

Sense 1
deterrent -- (tending to deter; "the deterrent effects of high prices")

INDIRECT (VIA preventive) -> permissive -- (not preventive)

Similarity of adj deterrent

1 sense of deterrent

Sense 1
deterrent -- (tending to deter; "the deterrent effects of high prices")
       => preventive (vs. permissive), preventative -- (tending to prevent or hinder)