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sin

1 sin /ˈsɪn/ noun
plural sins
1 sin
/ˈsɪn/
noun
plural sins
Britannica Dictionary definition of SIN
: an action that is considered to be wrong according to religious or moral law
[count]
[noncount]
see also cardinal sin, deadly sin, mortal sin, original sin, venial sin
[count] : an action that is considered to be bad usually singular see also besetting sin

(as) guilty/miserable/ugly as sin

informal
: very guilty/miserable/ugly

for your sins

chiefly British, humorous
used to say that you are doing something unpleasant, difficult, etc., as a form of punishment

live in sin

see 1live
2 sin /ˈsɪn/ verb
sins; sinned; sinning
2 sin
/ˈsɪn/
verb
sins; sinned; sinning
Britannica Dictionary definition of SIN
[no object]
: to do something that is considered wrong according to religious or moral law : to commit a sin