TMI

T1M3I1

A form of trimethylindium — The organometallic compound, (CH₃)₃In, used in vapor-phase epitaxy for the manufacture of semiconductors with the highest purity levels (99.99999%)

Less commonScrabble 5

Meanings

nounTMI (countable and uncountable, plural TMIs)

plural TMIs

  1. abbreviationcountableinitialismuncountablechemistryInitialism of trimethylindium.
  2. abbreviationcolloquialcountableinformalinitialismuncountableInitialism of too much information.

    He began to talk about his last trip to the underwear store. I told him, TMI!

    3 more examples

    TMI, as the youthful txters say? Too Much Information?

    2008 November 12, Alex Beam, “Thank you for oversharing”, in The New York Times, →ISSN, archived from the original on 24 Oct 2021

    Hoover’s books go down like a T.M.I. Facebook confessional, rubbernecking you in from the first sentence. Certain patterns quickly emerge.

    2023 July 6, Pamela Paul, “What’s the Story With Colleen Hoover?”, in The New York Times, archived from the original on 07 Jul 2023

    Perhaps. But more likely, Daniels’s propensity for offering TMI — bolstered by easygoing quips that made the jury laugh — kept her basic story and her credibility intact.

    2024 May 7, Nicholas Kristof, “Conversations and insights about the moment.”, in The New York Times, →ISSN
  3. abbreviationcountableinitialismuncountablehuman sciencesInitialism of transmarginal inhibition.
  4. abbreviationcountableinitialismuncountablevideo; color correction; video; color correctionInitialism of Temperature, Magenta/Green levels, and Intensity.
  5. abbreviationcountableinitialismuncountableInitialism of trans-Mars injection.
proper noun
  1. abbreviationinitialismInitialism of Three Mile Island.

Synonyms & antonyms

Rhymes & wordplay

Anagrams

Cite this entry
APA

TMI. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/TMI

MLA

“TMI.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/TMI. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “TMI,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/TMI.

Source: TMI on Wiktionary, CC BY-SA 4.0.