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ultra
[ uhl-truh ]
/ ËÊl trÉ /
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adjective
noun
an extremist, as in politics, religion, fashion, etc.
Ultra, Military. the British code name for intelligence gathered by decrypting German wireless communications enciphered on the Enigma machine during World War II.
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Origin of ultra
Independent use of ultra-, or shortening of words prefixed with it
Words nearby ultra
Other definitions for ultra (2 of 2)
ultra-
a prefix occurring originally in loanwords from Latin, with the basic meaning âon the far side of, beyond.â In relation to the base to which it is prefixed, ultra- has the senses âlocated beyond, on the far side ofâ (ultramontane; ultraviolet), âcarrying to the furthest degree possible, on the fringe ofâ (ultraleft; ultramodern), âextremelyâ (ultralight); nouns to which it is added denote, in general, objects, properties, phenomena, etc., that surpass customary norms, or instruments designed to produce or deal with such things (ultramicroscope; ultrasound; ultrastructure).
Origin of ultra-
<Latin ultrÄ (adv. and preposition) on the far side (of), beyond, derivative of *ult(e)r- located beyond
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use ultra in a sentence
British Dictionary definitions for ultra (1 of 2)
ultra
/ (ËÊltrÉ) /
adjective
extreme or immoderate, esp in beliefs or opinions
noun
an extremist
Word Origin for ultra
C19: from Latin: beyond, from ulter distant
British Dictionary definitions for ultra (2 of 2)
ultra-
prefix
beyond or surpassing a specified extent, range, or limitultramicroscopic
extreme or extremelyultramodern
Word Origin for ultra-
from Latin ultrÄ beyond; see ultra
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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