ultra.
Extreme; far beyond the norm; fanatical; uncompromising.
Meaning & usage
Extreme; far beyond the norm; fanatical; uncompromising.
Where this word comes from
Etymology tree Proto-Indo-European *h₂el- Latin ūls Proto-Indo-European *-teros? Latin -ter Old Latin -ād Latin -ā Latin ultrābor. English ultra From Latin ultra.
A political extremist, in particular
A political extremist, in particular: An ultraleftist.
A political extremist, in particular: An ultranationalist.
A political extremist, in particular: An ultraroyalist.
An especially devoted football fan, typically organized and participating in choreographies (including pyrotechnics), often of outwardly intimidating demeanour, but distinguished from a violent hooligan (although overlap between both subcultures is possible)
An ultramarathon.
An ultra-prominent peak.
Code name used by British codebreakers during World War 2 for decrypted information gained from the enemy.
Where this word comes from
Etymology tree Proto-Indo-European *h₂el- Latin ūls Proto-Indo-European *-teros? Latin -ter Old Latin -ād Latin -ā Latin ultrābor. English ultra From Latin ultra.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.