[adj] pressed together or compressed; "packed snow" [adj] filled to capacity; "a suitcase jammed with dirty clothes"; "stands jam-packed with fans"; "a packed theater"
compact, crowded, jammed, jam-packed
aground, alive with, anchored, awash, bloated, blocked, bound, brimful, brimming, bristling, bulging, bursting, capacity, caught, chained, chock-full, choked, choked up, chuck-full, clogged, clogged up, close, close-knit, close-textured, close-woven, comp