Other / Squeeze
squeeze - To force something into a small or tight space by manipulating its form.
We managed to squeeze six people into the tiny car.
stuff - To push or cram something into a space, often in a hurried or careless manner.
She stuffed the suitcase with clothes until it could barely close.
congeal - To become fixed, firm, or rigid; to change from a fluid or soft state to a thickened or solid state.
The messy ideas in her head finally congealed into a clear vision for the project.
congested - Too full, blocked, or crowded.
Because of his alergies, his sinuses were so congested that he couldn't breathe through his nose at all.