English Explanatory Dictionary

ultra-

English dictionary entry

Meanings

prefix
  1. Greater than normal quantity or importance, as in ultrasecret.
  2. Beyond, on the far side of, as in ultraviolet.
  3. Beyond, outside of, as in ultraterrestrial.
  4. Excessively, to an extreme, as in ultramicroscopic.
  5. intensely, extremely, or exceptional

Pronunciation

/ˈʌltɹə/ LL-Q1860 (eng)-Vealhurl-ultra-.wav

Word forms

ultra-

Etymology

Etymology tree Proto-Indo-European *h₂el- Latin ūls Proto-Indo-European *-teros? Latin -ter Old Latin -ād Latin -ā Latin ultrālbor. English ultra- Borrowed from Latin ultrā (“beyond”).

Synonyms

trans- para- hyper- out- extra- preter- super- supra- uber- macro- arch- over- mega- maxi- giga- -zilla grand ana-

Antonyms

infra-

Derived words

ultra-scalable
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