Definition of ultra Ultra
/ʌˈltɹʌ/ - [ultru] - ul•tra
We found 9 definitions of ultra from 5 different sources.
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What does ultra mean?
WordNet
Wiktionary 
- ultra (Noun)
An ultra-royalist in France. - ultra (Noun)
An extremist. - ultra (Noun)
code Code name used by British codebreakers during World War 2 for decrypted information gained from the enemy. - ultra (Adjective)
Extreme; far beyond the norm; fanatical; uncompromising.
Webster DictionaryWebster's Unabridged Dictionary 📘
- ultra (a.)
Going beyond others, or beyond due limit; extreme; fanatical; uncompromising; as, an ultra reformer; ultra measures. - ultra (n.)
One who advocates extreme measures; an ultraist; an extremist; a radical.
Chambers DictionaryChamber's 20th Century Dictionary 📕
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ultra
ul′tra, adj. going beyond, extreme—in composition, as in Ultra-classical, Ultra-fashionable, Ultra-conservative, Ultra-critical, &c.—n. an ultraist: a fanatic.—ns. Ul′traism, the principles of ultraists; Ul′traist, one who carries to extremes the opinions or principles of his party.—Ultra vī′res, beyond one's power or rights. [L. ultra, beyond, vires, pl. of vis, strength.]
Part of speech
🔤- ultra, noun, singular of ultras.
- ultra, adjective.
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