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Synonyms

sick as a dog

Idioms  
  1. Very ill, especially from a stomach malady. For example, I don't know what was in that stew but I was sick as a dog all night. This simile was first recorded in 1705. Why a dog should be viewed as particularly sick remains unclear.


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.

See Examples For:

Scott: Keith woke up the day that people are coming in, Sunday morning, and he is sick as a dog.

From The Wall Street Journal Apr. 6, 2026

“Shelby just came in sick as a dog this morning,” Carroll said.

From Seattle Times Dec. 11, 2022

He also would be as sick as a dog the next day.

From Slate Jul. 1, 2013

"We have four days off coming up here, and I would have been sick as a dog if we would have lost this game," Bryant said.

From Los Angeles Times Jan. 23, 2006

You should have seen her eyes fill with tears when we carried poor old 'Dad' into the cabin, sick as a dog, and moaning like a baby.

From If Any Man Sin by Cody, H. A. (Hiram Alfred)

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