Tightly packed bulbs give diminishing returns because they compete for nutrients and water.

The prisoners, so tightly packed that they could only stand, were battened below hatches.

The engineers will often wet the surface and then allow it to refreeze, creating a tightly packed, fast course.

Everything was in, tightly packed against my flesh.

Reports talked of columns up to three miles wide, the birds tightly packed, flying overhead for hours at a time.