Mercy is a nice girl but lacks Tess' depth, warmth, and spontaneity.

But in a way that was the problem: the performance was didactic and lacked spontaneity.

But it lacked spontaneity, which this impetuous music demands.

"It might lack spontaneity, but I had to do it," he said.

Some critics felt that her singing lacked spontaneity and temperament.

To add to the problem, the encounter lacked spontaneity.

He was not a stupid man, but he lacked spontaneity.

The hourlong solo was otherwise a little dry and lacked spontaneity.

The only qualm is that the quick theme can seem to lack spontaneity, as though it had been over-engineered for its role in this movement.

Some critics found the Orchestra to sound over-rehearsed in concert, lacking spontaneity.