name · pron · 3 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
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UK:zē
UK:hē
UK:ksē
UK:/ziː/
UK:/hiː/
UK:/ksiː/
US:zē
US:hē
US:ksē
US:/zi/
US:/hi/
US:/ksi/
rhymes with -iː
homophone: he
homophone: z
1
name
Meaning 1
Abbreviation of Extreme E.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: xenon, atomic number 54
Antonyms: none provided
Broader terms: chemical element, element, noble gas, inert gas, argonon
History
Etymology
Apparently independently invented by several people, including Don Rickter. The pronoun appeared in the Unitarian Universalist publication UU World on May 1, 1973, and Mario Pei gave Rickter credit on page 145 of his book Weasel Words (1978).