as sin


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— as sin

having a particular undesirable quality to a high degree. informal
1991 Robert R. McCammon Boy's Life Everybody knew Saxon's Lake was as deep as sin.
See also: sin

as sin

Completely or extremely: He is guilty as sin.
See also: sin
References in periodicals archive ?
If we learn to call fornication and adultery by their real names, that is, recognizing them as sins, we will be more likely to shy away from them.