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Synonyms

impacted

American  
[im-pak-tid] / ɪmˈpæk tɪd /

adjective

  1. tightly or immovably wedged in.

  2. Dentistry. noting a tooth so confined in its socket as to be incapable of normal eruption.

  3. driven together; tightly packed.

  4. densely populated or crowded; overcrowded.

    an impacted school district.


impacted British  
/ ɪmˈpæktɪd /

adjective

  1. (of a tooth) unable to erupt, esp because of being wedged against another tooth below the gum

  2. (of a fracture) having the jagged broken ends wedged into each other

"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

Other Word Forms

  • nonimpacted adjective
  • unimpacted adjective

Etymology

Origin of impacted

First recorded 1675–85; obsolete adjective impact (from Latin impāctus, past participle of impingere “to fasten, cause to collide, strike,” equivalent to im- “in” + pag-, variant stem of pangere “to drive in, plant firmly” + -tus past participle suffix) + -ed 2; see im- 1, impinge

Explanation

If your doctor tells you that something is impacted, that's not a good thing. It means wedged together and unable to move. Wisdom teeth are often impacted, which makes one question how wise they actually are. A fractured bone can be impacted as well, which means the two broken ends are wedged together. Perhaps you could say that your Christmas stocking is so jam packed and impacted with goodies that you can barely pull anything out — but that's about the only non-painful association with the word imaginable.

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Vocabulary lists containing impacted

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.

While there is potential pressure on crop-protection sales due to farmers’ tight budgets, the seed business likely won’t be impacted.

From Barron's • May 1, 2026

Ford did not immediately respond to a reqest for comment on whether high gas prices have impacted its truck sales.

From MarketWatch • May 1, 2026

“Families don’t feel safe. Young women don’t feel safe. Our recreational activities are impacted, our small business economy is impacted.”

From Los Angeles Times • May 1, 2026

"This is a long supply chain and so the war hasn't impacted supplies yet, but prices to make medicines have gone up, and so have transport costs," he says.

From BBC • Apr. 30, 2026

We should care deeply about all people impacted, including people who live in fear of violence, people who are survivors, and those who commit violent crimes.

From "The New Jim Crow" by Michelle Alexander