/ ɪnˈfɔːs; NAmE ɪnˈfɔːrs/ verb [ vn ]
1.
enforce sth (on / against sb/sth) to make sure that people obey a particular law or rule :
It's the job of the police to enforce the law.
The legislation will be difficult to enforce.
United Nations troops enforced a ceasefire in the area.
2.
enforce sth (on sb) to make sth happen or force sb to do sth :
You can't enforce cooperation between the players.
► en·force·able / -əbl; NAmE / adjective :
A gambling debt is not legally enforceable.
► en·force·ment noun [ U ]:
strict enforcement of regulations
law enforcement officers
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WORD ORIGIN
Middle English (in the senses strive and impel by force ; formerly also as inforce ): from Old French enforcir , enforcier , based on Latin in- in + fortis strong.