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Related to ultra: ultraviolet
ultra-(word root) on the far side of, beyond
Immoderately adhering to a belief, fashion, or course of action; extreme.
[French, from Latin ultrā-, ultra-.]
extreme or immoderate, esp in beliefs or opinions
(Government, Politics & Diplomacy) an extremist
[C19: from Latin: beyond, from ulter distant]
adj., n., pl. -tras. adj.
1. going beyond what is usual or ordinary; excessive; extreme.n.
2. an extremist, as in politics, religion, or fashion.
[1815–25; independent use of ultra-]
a prefix occurring orig. in loanwords from Latin, with the basic meaning “on the far side of, beyond.” In relation to the base to which it is prefixed, ultra- has the senses “located beyond, on the far side of” (ultramontane; ultraviolet), “carrying to the furthest degree possible, on the fringe of” (ultraleft; ultramodern), “extremely” (ultralight); nouns to which it is added denote objects, properties, etc., that surpass customary norms, or instruments designed to produce or deal with such things (ultramicroscope; ultrasound; ultrastructure).
[< Latin ultrā (adv. and preposition) on the far side (of), beyond]
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|Adj.||1.||ultra - (used of opinions and actions) far beyond the norm; "extremist political views"; "radical opinions on education"; "an ultra conservative"|
immoderate - beyond reasonable limits; "immoderate laughter"; "immoderate spending"