I failed tonight, when my color light proved insufficient to overcome you.

However, the endowment began to prove insufficient to the needs of the buildings themselves.

Should open market operations prove insufficient the President had several options.

He served in this position only four years, however, his health proving insufficient to the task.

If one thickness proves insufficient, you can always add another.

If this vessel proved insufficient, he would wait a few years and take the second.

These changes proved insufficient when major disturbances took place 1959.

My right knee and left arm proved insufficient to support the weight above me.

By the 1910s, the old frame building had proved insufficient for the church's needs.

But even the spread of disease will prove insufficient to make life worth living.