One on one, in his office, he almost became a tough guy, his voice gradually swelling with conviction.

As homeschooling in general became more accepted in society, Seton's enrollment gradually swelled to its current number of 11,000 enrolled students.

As if this were a signal, conversation started up again, gradually swelling to its normal level.

He reckoned the casks were wet enough inside so the wood would be swelling gradually so they'd take up.

The talk began to spring up again, in whispers, gradually swelling louder.

It was swelling gradually, wafting all about them.

It swelled gradually until they could distinguish hundreds of booted feet.

The sepoys were worn out with hunger and fatigue and the number of the rebels gradually swelled to about three thousand men.

It was faint, but gradually swelling.

The number of musicians gradually swells to 10.