im·​pact·​ed | \ im-ˈpak-təd How to pronounce impacted (audio) \

Definition of impacted

1a : packed or wedged in
b : deeply entrenched : not easily changed or removed
2 of a tooth : wedged between the jawbone and another tooth
3 : strongly or directly affected by something especially in a negative way Disasters relief teams surveyed the impacted neighborhoods.
4 : of, relating to, or being an area (such as a school district) providing tax-supported services to a population having a large proportion of federal employees and especially those living or working on tax-exempt federal property aid to education in impacted areas

Examples of impacted in a Sentence

Recent Examples on the Web

The collision, which occurred Friday morning around 8:50 a.m. on the Winchester line, impacted service for about an hour. Emily Deruy, The Mercury News, "Man injured in VTA light rail collision near San Jose’s Diridon Station," 19 July 2019 Additional information, including the full list of impacted products, can be found on the FDA website. Maria Elena Vizcaino, Dallas News, "Hummus sold under brands including Buc-ee's and 7-Select recalled over listeria concerns," 17 July 2019 Utility company Con Edison said Sunday the final impacted customers from the outage — which affected more than 72,000 customers along 30 blocks from Times Square to the Upper West Side — had power restored. Ryan W. Miller, USA TODAY, "9 photos show eerily dark New York during massive blackout," 14 July 2019 Across the impacted states, 62 cases of illness have been reported, 23 of which required hospitalization. Nicholas Rondinone,, "Health officials warning Connecticut residents not to eat fresh papaya from Mexico after reported cases of salmonella," 2 July 2019 At least Microsoft can afford to pay off its impacted customers. Brian Barrett, WIRED, "Microsoft's Ebook Apocalypse Shows the Dark Side of DRM," 30 June 2019 Plans for the raids in June drew widespread scorn among immigration rights advocates and mayors in the impacted cities. Loyd Brumfield, Dallas News, "Nationwide ICE raids planned for Sunday, New York Times reports," 11 July 2019 The first two phases of cuts included reductions that minimally impacted students in a negative way, Prebles said. Jeanne Houck,, "Forest Hills levy vote June 24 after fewer budget cuts than promised," 21 June 2019 The packaging of the impacted products is marked with UPC Code 0 5150020031 5, and the following lot codes and use-by dates: lot code 8 342, use-by date June 8, 2020; and lot code 8 343, use-by date June 9, 2020. Kate Gibson, CBS News, "Pillsbury flour among the recalled brands in multistate E. coli outbreak," 17 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'impacted.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of impacted

1844, in the meaning defined at sense 1a

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Statistics for impacted

Last Updated

12 Aug 2019

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The first known use of impacted was in 1844

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English Language Learners Definition of impacted

of a tooth : growing under another tooth


im·​pact·​ed | \ im-ˈpak-təd How to pronounce impacted (audio) \

Medical Definition of impacted

1a : blocked by material (as feces) that is firmly packed or wedged in position an impacted colon
b : wedged or lodged in a bodily passage an impacted mass of feces an impacted fetus in the birth canal
2 : characterized by broken ends of bone driven together an impacted fracture
3 of a tooth : wedged between the jawbone and another tooth an impacted wisdom tooth

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More from Merriam-Webster on impacted

Rhyming Dictionary: Words that rhyme with impacted

Spanish Central: Translation of impacted

Nglish: Translation of impacted for Spanish Speakers

Britannica English: Translation of impacted for Arabic Speakers

Comments on impacted

What made you want to look up impacted? Please tell us where you read or heard it (including the quote, if possible).


a usually brief trip or an expedition

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