Definition of ultra in English:

Share this entry


Pronunciation: /ˈəltrə/


1An extremist.
Example sentences
  • When liberals in Spain overthrew their king, the ultras pressed the reluctant government for action.
  • The latter provision would be used by loyalist ultras to demand that the RUC remove the Irish Tricolour even when it was being displayed in a predominantly nationalist area.
  • Gandhi said the state government did not release the ultras unilaterally but with the approval of the country's intelligence agencies, according to a Press Trust of India report.
2 short for ultramarathon. the best way to tackle an ultra is to divide the race into manageable chunks
More example sentences
  • I thought I would be a natural for ultras.
  • I'd been thinking about doing an ultra for several years.
  • Despite the longer distances, ultras may actually be easier on the body than running a road marathon.


[as submodifier]
Very; extremely: the play was not just boring, it was ultra boring
More example sentences
  • He makes an ultra cool villain.
  • His vision for the new offices involved "an ultra modern, clinical and open-plan design".
  • One of the game's bonus attributes is the motion captured animation which provides lifelike movement and an ultra real tennis experience.


Early 19th century: an independent usage of ultra-, originally as an abbreviation of French ultra-royaliste.

For editors and proofreaders

Syllabification: ul·tra

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.