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ad libitum

[ad lib-i-tuh m; Latin ahd lib-i-too m]
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adjective, adverb
  1. at one's pleasure.
  2. Music. not obligatory or indispensable. Abbreviation: ad lib.
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Origin of ad libitum

Borrowed into English from Latin around 1695–1705
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

ad-libextemporaneousfreelyimpromptuimprovisedimpulsivemade-upoffhandspontaneouslyunrehearsedoff-the-cuff
British Dictionary definitions for ad libitum

ad libitum

adjective, adverb
  1. music (to be performed) at the performer's discretionOften shortened to: ad lib
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Word Origin

see ad-lib
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