Word.ws English Dictionary

jam-packed

jam-packed adjective: packed or filled tightly. Also the simple past and past participle of jam-pack.

Adjective

jam-packed (comparative more jam-packed, superlative most jam-packed)

  1. (informal) Packed or filled tightly.
    • Summer holidays: 'Staycationers' alight at London Paddington from a full train from the West Country. No matter what time of day, the trains are invariably jam-packed when they arrive at a London terminus.2021 December 29, “Our railway from behind the lens...”, in RAIL, number 947, page 38, photo caption

Also used as

jam-packed is also the simple past and past participle of jam-pack.

Forms of jam-packed

comparativemore jam-packed
superlativemost jam-packed

Origin of jam-packed

From jam + packed.

Questions about jam-packed

What does jam-packed mean?
Jam-packed means packed or filled tightly.
What part of speech is jam-packed?
Jam-packed is an adjective.

Words near jam-packed in the dictionary

  1. jam up
  2. jam-jar
  3. jam-jar glasses
  4. jam-jars
  5. jam-pack
  6. jam-packed
  7. jam-packing
  8. jam-packs
  9. jam-pot
  10. jam-pots
  11. jam-spreading

Source and license

Adapted from Wiktionary: jam-packed (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “jam-packed.” Word.ws, https://word.ws/jam-packed. Based on Wiktionary, CC BY-SA 4.0.