(as) guilty as sin

phrase

informal

: completely or very guilty

Even though he was acquitted, most people think he is guilty as sin.

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(as) good as new

(as) guilty as sin

ash

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“(as) guilty as sin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/%28as%29%20guilty%20as%20sin. Accessed 7 Mar. 2026.

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(as) guilty as sin

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