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ugly as sin

Idioms  
  1. Physically or morally hideous, as in I can't think why she likes that dog; it's ugly as sin. This simile, first recorded in 1801, replaced the earlier ugly as the devil.


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.

It’s a stylistic choice to give the film the essence of a faded vintage photograph, but it’s also ugly as sin.

From Los Angeles Times • Nov. 6, 2025

I used to like Thunderbird but it's ugly as sin.

From The Verge • Nov. 16, 2018

The Lasko 6462 Full Circle Ceramic Heater is well-reviewed and features a nifty 360-degree oscillating feature, but this floor-standing model’s space-age ashtray design is ugly as sin.

From Slate • Nov. 15, 2018

And then there was this broadside — perhaps the closest that one Oval Office aspirant has come in modern times to accusing another of being ugly as sin.

From New York Times • Feb. 27, 2016

In life, Ser Myles Toyne had been ugly as sin.

From "A Dance with Dragons" by George R. R. Martin

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