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lifehack

or life-hack, life hack

[lahyf-hak]
noun
  1. Informal. a tip, trick, or efficient method for doing or managing a day-to-day task or activity; a hack: a lifehack for overcoming social anxiety; a computer programmer's best lifehacks.
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Origin of lifehack

life + hack1 (in the sense “a tip or trick to do something well”)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for lifehack

lifehack

noun
  1. any procedure or action that solves a problem, simplifies a task, reduces frustration, etc, in one's everyday life
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Derived Formslifehacker, noun

Word Origin

C21: by extension from the computing sense of hack, meaning to manipulate a computer program in a skilful and often creative manner
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