as sin - Definition & Meaning | VisualLang Dictionary

used to emphasize the intensity or extremeness of something, often a negative quality or characteristic

The idiom "as sin" derives from the use of "sin" as a metaphor for something morally or ethically wrong or undesirable. This expression is used informally in spoken and written language to emphasize the extent or degree of a particular quality or attribute. It can be applied to both positive and negative qualities, depending on the context.By describing something as "as sin," it suggests that the quality or characteristic is exceptionally pronounced or evident, sometimes to the point of being excessive.

That horror movie was scary as sin; I couldn't sleep for days.
Her sense of fashion was tacky as sin; she wore mismatched colors and patterns.
The old building was as ugly as sin, with peeling paint and broken windows.
He looked miserable as sin at the funeral, grieving deeply for his lost friend.
When the evidence was presented in court, he looked guilty as sin.