Definition of "packed"

[…] St. Bede's at this period of its history was perhaps the poorest and most miserable parish in the East End of London. Close-packed, crushed by the buttressed height of the railway viaduct, rendered airless by huge walls of factories, it at once banished lively interest from a stranger's mind and left only a dull oppression of the spirit.

1918, W[illiam] B[abington] Maxwell, chapter VII, in The Mirror and the Lamp, Indianapolis, Ind.: The Bobbs-Merrill Company

A packed schedule of 13 different inquiries ranged from parking on pavements to filling potholes, plus a hard-hitting examination of the Government's proposed Airports National Policy Statement and its recommendation to grant approval for a third runway to be built at Heathrow.

2020 June 3, Lilian Greenwood talks to Paul Stephen, “Rail's 'underlying challenges' remain”, in Rail, page 33

On a steamy summer late afternoon the Luzhniki was once again packed. It is a vast space, with a roof that almost closes in on itself capturing the air like a superheated bubble.

2018 June 17, Barney Ronay, “Mexico’s Hirving Lozano stuns world champions Germany for brilliant win”, in Katharine Viner, editor, The Guardian‎, London: Guardian News & Media, archived from the original on 5 August 2019

We picked up returning Millwall supporters at New Street, together with a couple of British Transport Police officers, and the train, an 11-car set, was now packed.

2019 October, Chris Stokes, “Between the Lines”, in Modern Railways, page 97