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make it one's business

Idioms  

  1. Undertake a self-appointed task, as in I'll make it my business to find out their plans. This phrase was first recorded in 1642.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It would be such fun to be called a 'Red Bonnet' or a 'Green Griffin,' or some other nice fairy-tale-ish name; and to make it one's business to unite divided families, and to restore to deserving persons their long-lost great-great-grandparents.

From Project Gutenberg

V. pass one's time in, employ one's time in, spend one's time in; employ oneself in, employ oneself upon; occupy oneself with, concern oneself with; make it one's business &c. n.; undertake &c.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.