ultra Definition

ultra
adj

1. Said of a person or party: holding extreme opinions, especially in political matters.

Thesaurus: radical, extreme, excessive, immoderate, revolutionary, way-out.
2. colloq
Extremely good; marvellous.

noun

ultras
1. Someone who holds extreme opinions, especially in political or religious matters.

Etymology: 19c: originally meaning ‘ultra-royalist', with reference to early 19c France, an abbreviation of French ultra-royaliste.