ultraradical

== English == === Alternative forms === ultra-radical === Etymology === From ultra- +‎ radical. === Pronunciation === === Adjective === ultraradical (comparative more ultraradical, superlative most ultraradical) Extremely radical, especially in politics. === Noun === ultraradical (plural ultraradicals) (algebra) A root of the polynomial x5 + x + a, where a is a complex number. Synonym: Bring radical An extreme political radical.