Her criticism of the novel focused more on its shallowness than on its plot.

The shallowing of the estuary exposed oyster beds that had been buried under silt.

After the storm, the river shallowed, exposing stones along the riverbed.

The river is shallowing after the drought, revealing stones along its bed.

The tide made the sandbars much shallower than we remembered, revealing hidden pools.

Her shallow-hearted remarks about their loss stunned everyone who had expected compassion.

Her shallow-heartedness became evident when she dismissed his long apology with a laugh.

The shallow-waisted yacht, with its nearly flush deck and only a moderate depression amidships, sliced through the waves with remarkable steadiness.

On crowded summer days, parents usually keep their children near the pool's shallow ends.

Parents should remind their kids to stay in the shallow end until they are strong swimmers.