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[lahyf-lawng, -long] /ˈlaɪfˌlɔŋ, -ˌlɒŋ/
lasting or continuing through all or much of one's life:
lifelong regret.
Origin of lifelong
1750-60; life + long1 (adv.)
Can be confused
lifelong, livelong. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for lifelong
Contemporary Examples
Historical Examples
  • May I, when old and gray-headed, at least be able to think that I left my Emily in that luxury, a lifelong legacy!

    Freezing a Mother-in-Law Thomas Edgar Pemberton
  • She was maintaining that calm level of submission to fate which had been her lifelong habit.

    The Spenders Harry Leon Wilson
  • Meanwhile old age had come upon him unawares, but with it the rich fruition of lifelong study and reflection.

  • It must be confessed (he adds drily) that in England this is a lifelong disqualification.

  • These two women had been lifelong friends and had married cousins.

    The Spirit Lake Massacre Thomas Teakle
British Dictionary definitions for lifelong


lasting for or as if for a lifetime
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
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Word Origin and History for lifelong

also life-long, "continuing a lifetime," 1855, from life (n.) + long (adj.).

Online Etymology Dictionary, © 2010 Douglas Harper
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