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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

Naked mole rats are not much to look at, but their biology has made them one of the most fascinating animals in aging research.

From Science Daily • May 10, 2026

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

From Salon • May 9, 2026

Hantavirus typically spreads from rodents such as mice and rats, but experts believe that in this circumstance it may have passed between humans who were in close contact.

From BBC • May 8, 2026

Cornflower was only picking up one word in three, but by the fierce scowl on Foremole’s face, she was certain that the rats would not find it a pleasant experience being given “owd ’arry.”

From "Redwall" by Brian Jacques

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