Any process or technique that reduces the chaos in one's life and makes it easier to manage, or more convenient(noun)
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Use "lifehack" in a sentence
"I read this "lifehack" last night, didn't read any of the comments, and because the internet controls my life, tried it this evening."
"I actually liked the second "lifehack", i.e. demand that any of the contributed ideas must start with the words: "I wish …" or "how to …" as this is helping in going from an idea to a story."
"For example, what if two different people set up life. hacker and lifehack. er or something similar?"