jil·lion (j l y n)n. Informal An indeterminately huge number. [On the model of million, billion, etc.] jil  lion·aire (jly-nâr) n.jil lionth adj. & n. |
jillion [ˈdʒɪljən]
n
(Mathematics) Informal an extremely large number or amount jillions of pounds
[fanciful coinage based on million, billion, etc.]
jillionth adj
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | jillion - a very large indefinite number (usually hyperbole); "there were millions of flies" large indefinite amount, large indefinite quantity - an indefinite quantity that is above the average in size or magnitude |
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