prohibit

To formally forbid something by law, rule, or authority; to make impossible or prevent.

• prohibition/ˌproʊhɪˈbɪʃən/(n)禁令
• prohibitive/prəˈhɪbɪtɪv/(adj)禁止性的；高得令人望而却步的

• prohibited by law
• strictly prohibited
• prohibit the use of
• prohibition on
• prohibitive cost

1. 1.Smoking is prohibited in all indoor public spaces. (forbidden by law)
2. 2.The prohibitive cost of housing in the city forces many workers to commute from distant suburbs. (so high as to prevent)

• ban/bæn/— to officially forbid — simpler
• forbid/fərˈbɪd/— to order not to — broader
• outlaw/ˈaʊtlɔː/— to make illegal

from Latin "prohibere" (to hold back) — pro- (before, in front of) + habere (to hold) — to hold back from