When discussing the amount of objects or people that a particular space can hold, there are several synonyms for "packed capacity". These include maximum capacity, full capacity, total occupancy, peak load, complete saturation, and maximum occupancy. These terms convey the idea that a space has reached its highest possible limit for safely and comfortably accommodating individuals or items. It is important to note that exceeding packed capacity can lead to dangerous conditions, so understanding and respecting a space's limitations is crucial. By using these synonyms, one can effectively communicate the idea of a space being completely full and unable to accommodate any more occupants or objects.