Standard Lemma guide

ultra-

prefix · 5 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.

  • /ˈʌltɹə/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

prefix

Meaning 1

Greater than normal quantity or importance, as in ultrasecret.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

prefix

Meaning 2

Beyond, on the far side of, as in ultraviolet.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

prefix

Meaning 3

Beyond, outside of, as in ultraterrestrial.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

prefix

Meaning 4

Excessively, to an extreme, as in ultramicroscopic.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

prefix

Meaning 5

Intensely, extremely, or exceptional

Definition source: English Wiktionary via Wiktextract

Usage: augmentative, morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

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- Borrowed from Latin ultrā (“beyond”).

Across languages

Translations

39 source translations are retained for this English entry.

  • Bulgarian: свръх (svrǎh) — greater than normal quantity or importance
  • Finnish: huippu- — greater than normal quantity or importance
  • Finnish: erikois- — greater than normal quantity or importance
  • Finnish: ultra- — greater than normal quantity or importance
  • Georgian: ზე- (ze-) — greater than normal quantity or importance
  • Greek: υπερ- (yper-) — greater than normal quantity or importance
  • Japanese: 超 (chō) — greater than normal quantity or importance
  • Malay: ultra- — greater than normal quantity or importance
  • Polish: ponad- — greater than normal quantity or importance
  • Russian: сверх- (sverx-) — greater than normal quantity or importance
  • Scottish Gaelic: os- — greater than normal quantity or importance
  • Spanish: ultra- — greater than normal quantity or importance
  • Bulgarian: крайно (krajno) — beyond, on the far side of
  • Czech: ultra- — beyond, on the far side of
  • Finnish: yli- — beyond, on the far side of
  • Finnish: ultra- — beyond, on the far side of
  • Georgian: ულტრა- (ulṭra-) — beyond, on the far side of
  • Japanese: 超 (chō) — beyond, on the far side of
  • Polish: ponad- — beyond, on the far side of
  • Russian: ультра- (ulʹtra-) — beyond, on the far side of
  • Scottish Gaelic: os- — beyond, on the far side of
  • Spanish: ultra- — beyond, on the far side of
  • Bulgarian: извънредно (izvǎnredno) — beyond, outside of
  • Finnish: yli- — beyond, outside of
  • Finnish: ultra- — beyond, outside of
  • Japanese: 超 (chō) — beyond, outside of
  • Polish: ponad- — beyond, outside of
  • Russian: сверх- (sverx-) — beyond, outside of
  • Scottish Gaelic: os- — beyond, outside of
  • Spanish: ultra- — beyond, outside of
  • Finnish: yli- — excessively, to an extreme
  • Finnish: ultra- — excessively, to an extreme
  • French: ultra- — excessively, to an extreme
  • Japanese: 超 (chō) — excessively, to an extreme
  • Polish: ultra- — excessively, to an extreme
  • Russian: ультра- (ulʹtra-) — excessively, to an extreme
  • Russian: сверх- (sverx-) — excessively, to an extreme
  • Scottish Gaelic: os- — excessively, to an extreme
  • Spanish: ultra- — excessively, to an extreme