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dies non Syllabification: di·es non
Pronunciation: /ˌdēāz ˈnän/

Definition of dies non in English:

noun (plural same)

A day on which no legal business can be done, or which does not count for legal or other purposes.
Example sentences
  • If the last day is a Saturday or Sunday, or other dies non, he ought not to leave it until the last day.
  • To ask the Secretary of State for the Home Department what plans he has to use improved technology to provide for a closing date for absent vote applications nearer the date of elections; what proposals he has to abolish dies non in future calculations of election timetables; and if he will make a statement.
  • The 1983 Representation of the People's Act specifically states that a general election cannot be held on a dies non.


Latin, short for dies non juridicus 'nonjudicial day'.

Definition of dies non in:
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