This time, however, her voice lacked the confidence that had reassured me so many times before.
"Stay where you are," she told him, her voice stern and lacking all emotion.
Though she had echoed his concern, her voice lacked the resignation that he felt within himself.
"I'm not going to talk to you about my mother," he said, but his voice lacked conviction.
"I want what every girl wants," she said, though her voice lacked conviction.
His voice still had its distinctive color and beauty, but lacked power.
But her voice simply lacked the dramatic heft to bring off the role.
His voice lacked resonance, but it had the force to be terrifying.
His voice lacked a little in clean focus, but it was even and pleasant.
He may still be adjusting to the weight loss, for his voice sometimes lacked support.