See more synonyms for jam-pack on Thesaurus.com

Origin of jam-pack

First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for jam-pack

Historical Examples of jam-pack

  • His last meeting in the Citizens' Hall was jam-pack an hour before the advertised time of speaking.