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rats

British  
/ ræts /

interjection

  1. an exclamation of rejection or disdain

"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

adjective

  1. slang deranged; insane

"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.

The strain on the cruise ship is mostly spread by long-tailed pygmy rice rats via their saliva, feces or urine.

From Salon • May 11, 2026

If HMW-HA helps naked mole rats resist cancer and age-related damage, could the same mechanism work in a different animal?

From Science Daily • May 10, 2026

Their natural reservoir is rodents, such as wild mice, rats and moles.

From Salon • May 9, 2026

The organisation was told there were no rats on board, Van Kerkhove said, adding that the risk to the wider public from the disease was low and that hantavirus transmission between humans was uncommon.

From BBC • May 5, 2026

It made her think of rot—of old garbage left out in the sun, buzzing with flies, crawling with rats.

From "I Survived the Great Molasses Flood, 1919" by Lauren Tarshis

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