Synonyms of the word

ultra

• adj. Extreme; far beyond the norm; fanatical; uncompromising.
• n. An ultraroyalist in France.
• n. An extremist.
• n. (soccer) An especially devoted football fan, typically associated with the intimidating use of extremist…
• n. (athletics) An ultramarathon.
• n. (climbing) An ultra-prominent peak.
• n. (usually capitalised) Code name used by British codebreakers during World War 2 for decrypted information…

extremist

• n. A person who holds extreme views, especially one who advocates such views; a radical or fanatic.
• adj. Holding extreme views, especially on a political subject.
• adj. Of or relating to extremism.

immoderate

• adj. Not moderate; excessive.

radical

• adj. Favoring fundamental change, or change at the root cause of a matter.
• adj. (botany, not comparable) Pertaining to a root (of a plant).
• adj. Pertaining to the basic or intrinsic nature of something.
• adj. Thoroughgoing; far-reaching.
• adj. (linguistics, not comparable) Of or pertaining to the root of a word.
• adj. (linguistics, not comparable, of a sound) Produced using the root of the tongue.
• adj. (chemistry, not comparable) Involving free radicals.
• adj. (mathematics) Relating to a radix or mathematical root.
• adj. (slang, 1980s & 1990s) Excellent; awesome.
• n. (historical: 19th-century Britain) A member of the most progressive wing of the Liberal Party; someone…
• n. (historical: early 20th-century France) A member of an influential, centrist political party favouring…
• n. A person with radical opinions.
• n. (arithmetic) A root (of a number or quantity).
• n. (linguistics) In logographic writing systems such as the Chinese writing system, the portion of a character…
• n. (linguistics) In Semitic languages, any one of the set of consonants (typically three) that make up a…
• n. (chemistry) A group of atoms, joined by covalent bonds, that take part in reactions as a single unit.
• n. (organic chemistry) A free radical.