prohibitive /proʊˈhɪbətɪv/ adjective Learner's definition of PROHIBITIVE
1
[more prohibitive; most prohibitive] : so high that people are prevented from using or buying something贵得用不起(或买不起)的 2
US : almost certain to perform, win, etc., in the expected way几乎可以肯定的 3
formal : stopping people from using or doing something禁止的