- 1(of a price or a cost) so high that it prevents people from buying something or doing something synonym exorbitant prohibitive costs a prohibitive tax on imported cars The price of property in the city is prohibitive.
- 2preventing people from doing something by law prohibitive legislation
- 3(of a person taking part in an election or a competition) extremely likely to win Miami began the day a prohibitive Super Bowl favorite.
adverb Car insurance can be prohibitively expensive for young drivers.See prohibitive in the Oxford Advanced Learner's Dictionary
Check pronunciation: prohibitive