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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.

The line between TMI and TLI—too little information—can feel like playing the board game Operation: one tiny flinch in either direction and the buzzer goes off.

From The Wall Street Journal • Feb. 20, 2026

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

I need to teach Dad the meaning of TMI.

From "Please Ignore Vera Dietz" by A.S. King