a. excessive or extreme
⇒ an ultranationalist
b. excessively; to an extreme degree
⇒ an ultraromantic notion
c. something excessive or extreme
3. beyond the range of
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'ultra-'
L < ultra,
fem. of *ulter,
beyond, on the other side of < IE *ol-,
var. of base *al-,
beyond > all
, L alius,