Englishpacked
adjective
an audience of 500 in the packed conference hall:
crowded, full, filled, filled to capacity, thronged, mobbed, loaded, crammed, jammed, solid, packed like sardines, overcrowded, overfull, overloaded, brimful, alive, teeming, seething, swarming;
informal jam-packed, chock-full, chockablock, wall-to-wall, full to the gunwales, bursting/bulging at the seams;
British, informal heaving, like Piccadilly Circus.