prohibitive
adjective /prəˈhɪbətɪv/
  /prəˈhɪbətɪv/,  /prəʊˈhɪbətɪv/
- (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.
 
 - preventing people from doing something by law
- prohibitive legislation
 
 - (North American English) (of a person taking part in an election or a competition) extremely likely to win
- Miami began the day a prohibitive Super Bowl favorite.
 
 
Word Originlate Middle English (in sense (2)): from French prohibitif, -ive or Latin prohibitivus, from prohibit- ‘kept in check’, from the verb prohibere, from pro- ‘in front’ + habere ‘to hold’.