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TMI

American  
  1. Three Mile Island.

  2. Also tmi too much information: used as a response to an inappropriate disclosure of personal information, or as a reaction to an overload of information.

    Her pregnancy updates are TMI.


TMI British  

abbreviation

  1. too much information: an expression of distaste or boredom at the information being offered

"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

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.

I say TMI is in my backyard,” she said.

From The Wall Street Journal • Dec. 1, 2025

In addition, Grammy-winner Trainor, who is expecting her second child this summer, will present her debut book, “Dear Future Mama: A TMI Guide to Pregnancy, Birth, and Motherhood from Your Bestie.”

From Los Angeles Times • Mar. 15, 2023

After a period of giving some possibly TMI interviews, Smith stepped back from the spotlight, let the race play out and still emerged triumphant.

From Seattle Times • Mar. 17, 2022

Similarly, may I offer my gratitude to "Curb Your Enthusiasm" actor Jeff Garlin for his recent public attack of acute TMI, a symptom of foot-in-mouth disease?

From Salon • Jan. 22, 2022

It’s weird, it’s gross, and that creepy little winky face pushes it into the realm of TMI.

From "Simon vs. the Homo Sapiens Agenda" by Becky Albertalli

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