Share this entry

ultra- Syllabification: ultra-
Pronunciation: /ˈəltrə/

Definition of ultra- in English:


1Beyond; on the other side of: ultramontane Often contrasted with cis-.
2Extreme; to an extreme degree: ultramicroscopic ultraradical


From Latin ultra 'beyond'.

Definition of ultra- in:

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.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources