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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

Staff previously posted on social media that they had worked with environmental health inspectors and given the premises "a deep clean" since being alerted to the problem on 1 December, but they declined to comment further.

From BBC

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

From BBC

The email explained the school would close temporarily to allow time to reduce transmission and complete a deep clean of the building, with the aim of reopening on Tuesday 9 December.

From BBC

You could request to hold his power of attorney over his financial and medical affairs, and also help with his estate planning and/or call his bank and ask them to alert you to any unusual transactions, and carry out a deep clean of his house so you can excavate any cash piles.

From MarketWatch