SolemnSee also Solemn Assembly; Solemnityin your solemn days … ye shall blow with the trumpets, Num. 10:10.upon the harp with a solemn sound, Ps. 92:3.I will also cause all her mirth to cease … and all her solemn feasts, Hosea 2:11.we being a lonesome and a solemn people, Jacob 7:26.solemn mockery before God, that ye should baptize little children, Moro. 8:9.call upon the Father in solemn prayer, D&C 20:76.called immediately to make a solemn proclamation of my gospel, D&C 124:2 (124:107).