more than average or usual in size, mass, amount, strength etc

large, great

very full; crowded

filled to capacity

overcrowded

blocked, clogged

having a large group of people

busy, congested

involving, threatening, unpleasant consequences

full of

completely filled; having or holding a lot (of)

brimming, filled

(of places, transport) having too many people

as full as possible

filled (with food)

full, well-stocked