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deep clean

British  

noun

  1. an exceptionally intense cleaning process

"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

verb

  1. to perform a deep clean (on)

"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.

A company was hired to perform a deep clean of the school’s classrooms, doorknobs and kitchen equipment.

From Los Angeles Times • Dec. 13, 2025

Lee Jarvis added the school would shut for a short "firebreak" period to allow a deep clean, with online learning in place.

From BBC • Dec. 6, 2025

Campaigners want a deep clean of all buses more frequently, and the use of insecticidal treatments, heat treatments, improved vacuuming and sealed barriers in known hotspots.

From BBC • Oct. 13, 2025

For a monthly deep clean of our home in Los Angeles, I pay someone $250.

From Slate • Aug. 25, 2024

The cats encircled me, hissing, growling, and scraping their claws on the floor, leaving deep, clean grooves.

From "City of the Plague God" by Sarwat Chadda

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