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ad infinitum

[ad in-fuh-nahy-tuh m, ad in-]
adverb
  1. to infinity; endlessly; without limit.
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Origin of ad infinitum

From Latin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for infinitum

ad infinitum

adverb
  1. without end; endlessly; to infinityAbbreviation: ad inf
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Word Origin for ad infinitum

Latin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for infinitum

ad infinitum

Latin, literally "to infinity" from infinitum "infinity," neuter of adjective infinitus "endless" (see infinite).

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Online Etymology Dictionary, © 2010 Douglas Harper