Definition of nisi in English:


Syllabification: ni·si
Pronunciation: /ˈnīsī


[postpositive] Law
(Of a decree, order, or rule) taking effect or having validity only after certain specified conditions are met.
More example sentences
  • Certainly, insofar as the order nisi seeks writs of mandamus and certiorari, it is outside of the time limit.
  • It does, in my argument or my submission, give rise to a proper application for an order nisi for mandamus.
  • This Court will not hear applications for orders nisi comprising three Justices.


mid 19th century: from Latin, literally 'unless'.

Definition of nisi in: