ultra-

See also ultra, and ultrà

English

Pronunciation

• IPA: /ˈaltrə/

Etymology

From the Latin ultra (“beyond”)

Prefix

ultra-

1. Greater than normal quantity or importance

   ultrasecret

2. Beyond, on the far side of

   ultraviolet

3. Beyond, outside of

   ultrasonic

4. Excessively, to an extreme

   ultramicroscopic, ultra-careful

Usage notes

• Productive in all senses.

Antonyms

• infra-

Derived terms

[+] English words prefixed with ultra-

Translations

greater than normal quantity or importance

Japanese: 超 (ちょう, chō) Russian: сверх- (ru) (sverx-)

Scottish Gaelic: os- (gd)

beyond, on the far side of

Japanese: 超 (ちょう, chō) Russian: ультра- (ru) (ul’tra-)

Scottish Gaelic: os- (gd)

beyond, outside of

Japanese: 超 (ちょう, chō) Russian: сверх- (ru) (sverx-)

Scottish Gaelic: os- (gd)

excessively, to an extreme

Japanese: 超 (ちょう, chō) Russian: ультра- (ru) (ul’tra-), сверх- (ru) (sverx-)

Scottish Gaelic: os- (gd)

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Danish

Etymology

From Latin ultra (“beyond”).

Pronunciation

• IPA: /ultra-/, [ˈultˢʁ̥ɑˈ-], [ˈultˢʁ̥ɑˌ-]

Prefix

ultra-

1. ultra- (beyond, on the far side of; beyond, outside of)
   • ultralyd, ultraviolet
2. ultra- (greater than normal quantity or importance, excessively, to an extreme)
   • ultralet, ultrakort, ultramoderne, ultratynd

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Italian

Prefix

ultra-

1. ultra-