Fervent fervent in the spirit, he spake and taught, Acts 18:25. fervent in spirit; serving the Lord, Rom. 12:11. your fervent mind toward me, 2Â Cor. 7:7. effectual fervent prayer of a righteous man, James 5:16. elements shall melt with fervent heat, 2Â Pet. 3:10 (3:12; 3Â Ne. 26:3; Morm. 9:2; D&C 101:25).