Standard Lemma guide

ultra

adj · noun · 10 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American, Received-Pronunciation: /ˈʌltɹə/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • Northern-England: /ˈʊltɹə/
  • Scotland, Wales: /ˈʌltɾə/
  • Australian, New-Zealand: /ˈɐltɹə/
  • CMU ARPABET: AH1 L T R AH0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Extreme; far beyond the norm; fanatical; uncompromising.

Definition source: English Wiktionary via Wiktextract

Examples

  • an ultra reformer; ultra measures

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A political extremist, in particular

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A political extremist, in particular:

An ultraleftist.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A political extremist, in particular:

An ultranationalist.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A political extremist, in particular:

An ultraroyalist.

Definition source: English Wiktionary via Wiktextract

Usage: France, historical

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

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)

Definition source: English Wiktionary via Wiktextract

Topics: ball-games, games, hobbies, lifestyle, soccer, sports

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

An ultramarathon.

Definition source: English Wiktionary via Wiktextract

Topics: athletics, hobbies, lifestyle, sports

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

An ultra-prominent peak.

Definition source: English Wiktionary via Wiktextract

Topics: climbing, hobbies, lifestyle, sports

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

Code name used by British codebreakers during World War 2 for decrypted information gained from the enemy.

Definition source: English Wiktionary via Wiktextract

Usage: capitalized, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

adjective satellite

Meaning 10

(used of opinions and actions) far beyond the norm

Definition source: Princeton WordNet 3.0

Examples

  • extremist political views
  • radical opinions on education
  • an ultra conservative

Meaning relationships

Synonyms: extremist, radical

Antonyms: none provided

History

Etymology

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.

Across languages

Translations

3 source translations are retained for this English entry.

  • Italian: ultras — devoted sports fan
  • Italian: ultrà — devoted sports fan
  • Spanish: ultra — devoted sports fan
Real reading context

ultra in complete knowledge articles