Freight costs were made heavier still by import and export taxes.

Sorrow, he says, is made heavier in him by his lack of sleep.

We do not expect a mass of matter to be made heavier by compression.

More likely, differences in the engravings could make one side heavier than the other.

In most cases, the adults were made heavier, had a few lines added to the face and less hair.

I crept to his bed but I made one step heavier.

When the hand reappeared it was made heavier by a length of baseball bat.

The burdens the fugitives carried were made heavier by water.

Redundancy makes systems heavier, bulkier, more expensive, and less efficient.

Silence weighted the air, somehow made heavier by an undertone of traffic on the street outside.