ultra

A prefix from the Latin <i>ultra</i> beyond (see <u>Ulterior</u>), having in composition the signification <i>beyond</i>, <i>on the other side</i>, chiefly when joined with words expressing relations of place; as, <i>ultra</i>marine, <i>ultra</i>montane, <i>ultra</i>mundane, <i>ultra</i>tropical, etc. In other relations it has the sense of <i>excessively</i>, <i>exceedingly</i>, <i>beyond what is common</i>, <i>natural</i>, <i>right</i>, or <i>proper</i>; as, <i>ultra</i>conservative; <i>ultra</i>democratic, <i>ultra</i>despotic, <i>ultra</i>liberal, <i>ultra</i>radical, etc.

adjective

Source: webster1913

Going beyond others, or beyond due limit; extreme; fanatical; uncompromising; as, an <i>ultra</i> reformer; <i>ultra</i> measures.

adjective

Source: webster1913

One who advocates extreme measures; an ultraist; an extremist; a radical.

noun

Source: webster1913

(used of opinions and actions) far beyond the norm

adj.all

Source: WordNet 3.0