more crowded

cramped full huddled jam-packed jammed loaded packed populous teeming

brimming clean close compact crammed crushed massed mobbed overflowing stuffed swarming thronged

SRO awash brimful chock-full dense elbow-to-elbow filled to the rafters fit to bust full house full up lousy with mob scene sardined sold out standing room only stiff with thick thickset tight topped off up to here up to the hilt wall-to-wall

deserted empty

imprecise loose

uncongested uncrowded unfilled