Sin, definition, 167; spiritual and carnal, 168 a, 224 sqq.; against God, neighbor or self, 168 h; mortal and venial, 168 c, 169; of commission or omission, 168 d; stages of (heart, mouth, work), 168 e; by excess or defect, 168 f; original and actual, 168 g; when matter of sin is grave, 171-172; advertence and consent conditions of mortal sin, 174 sqq.; mortal, condition of, 169 sqq.; venial, definition, 180; conditions, 181 sqq.; when imperfections become a sin, 186; when venial sin becomes mortal, 187-189; coalescence of, 189; multiplication of, 190; possible effect of wrong purpose, circumstances and harm foreseen, 191 sqq,; when mortal sin becomes venial, 194 sqq,; causes of sin, 246; effect of ignorance, passion and malice on, 249; external causes of, 252; distinct from temptation, 253; proximate and remote danger of, 258; possibility of, 259; guilt of one who exposes himself to sin, 2150; occasions of (proximate or remote, necessary or free, present or absent), 263 sqq.; motives of, 268 sqq.; results and penalties of, 272 sqq.; original and actual, 272 sqq.; stain of, 276; every sin removed by repentance, 2725 a; forgiveness of sin through the use of the Sacraments, 2726. See also Sins.
Sincerity, see Truthfulness.
Sinners, charity for, 1142; association with, 1145; friendship with, 1146.
Sins, theological and moral species, 197; specific distinction, 198; numerical multiplication, 197, 202 sqq.; rules of numerical distinction, 207 sqq.; comparison of, 220; sins against God, 227; against creatures, 228; subjects of (sensitive appetites, reason, will), 230 sqq,; sins of sensuality, 232; sins of thought, 233 sqq.; sins of desire, 237 sqq.; material (or objective) and formal (or subjective), 248; sins of weakness, ignorance and malice, 250. See also Sin.
Slander, definition, 2030 d. See also Defamation.
Sloth, 269; spiritual, 1064, capital sin, 1320 sqq.; definition, 1320; sinfulness, 1321; qualities of sin, 1322; sins that spring from sloth, 1324; conquest of sloth, 1325; prohibition against, 1552.
Sluggishness, sin opposed to diligence, 1326 b.
Sobriety, subjective part of temperance, 2465 a; definition, 2474; obligation to practise sobriety, 2475; sins against sobriety, 2476 a; morality of total abstinence, 2478 a; licit use of narcotics, 2485. See also Drunkenness.
Societies, Forbidden, 945 sqq.; forbidden by Code, 946; absolution of members, 949.
Sodomy, form of impurity, 2534 c.