Definition of ab initio in English:

Share this entry

ab initio

Pronunciation: /ˌab əˈniSHēˌō/


From the beginning (used chiefly in formal or legal contexts): the agreement should be declared void ab initio
More example sentences
  • Enormous as the difference undoubtedly is between these faculties in the two cases, the difference is conceded not to be one existing ab initio.


Starting from the beginning: he was instructing ab initio pilots
More example sentences
  • While ab initio prediction is clearly the most difficult, it is arguably the most useful approach.
  • It is likely that the ab initio approaches will help reduce some of the limitations of comparative modeling.
  • The first ab initio candidates will be selected by the middle of next month.


Early 17th century: Latin.

Words that rhyme with ab initio

ex officio
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.