Grievous See also Gross Saints have sinned very grievous sins, D&C 95:3, 6, 10 (101:98). Saints to be chastened with grievous chastisement, D&C 103:4. those who break covenant shall be cursed with grievous curse, D&C 104:4. burdens of Saints are grievous, D&C 109:48. famine becomes grievous, Abr. 2:21.