Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An indefinitely large number.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun slang, hyperbolic An unspecified large number (of).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a very large indefinite number (usually hyperbole)

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[On the model of million, billion, etc.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

See +‎ -illion

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