Meanings
adjectiveguilty as sin (not comparable)
- colloquialnot comparablesimileUnquestionably guilty.
[Julian:] And what do you think? [Sunday:] I think you're guilty as sin.
1980, Paul Schrader, American Gigolo1 more example
Joe Feinberg, who supplied the decorative ceramic tiles for the Key Biscayne homes of both the President and Bebe Rebozo, thinks Nixon is "guilty as sin."
1973 November 12, “The Jury of the People Weighs Nixon”, in Time
Cite this entry
APA
guilty as sin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/guilty%20as%20sin
MLA
“guilty as sin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/guilty%20as%20sin. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “guilty as sin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/guilty%20as%20sin.
Source: guilty as sin on Wiktionary, CC BY-SA 4.0.