jam-pack

verb

ˈjam-ˈpak 

jam-packed; jam-packing; jam-packs

transitive verb

: to pack tightly or to excess

Synonyms of jam-pack

• fill
• pack
• load
• cram
• stuff

Examples of jam-pack in a Sentence

we jam-packed the box with goodies for our sick friend

Recent Examples on the Web

Argentina, Ecuador, the Netherlands and now Colombia have absolutely jam-packed the place. — Sam McDowell July 3, Kansas City Star, 4 July 2026

The parking lot of the Latino Press was jam-packed on Sunday with cars delivering supplies intended for the victims of the earthquakes. — Veronica Ortega, CBS News, 28 June 2026

Not only does the brand’s shampoo and conditioner make my hair feel so clean and look so shiny, but both formulas are also jam-packed with strengthening ingredients—avocado oil, olive oil, milk thistle, and growth-stimulating rosemary—that make the combo genuinely feel like a worthwhile luxury. — Olivia Cigliano, InStyle, 12 June 2026

Many of us remember the days before social media and jam-packed summer schedules very fondly. — Hannah Nwoko, Parents, 9 June 2026

Word History

First Known Use

1924, in the meaning defined above

Rhymes for jam-pack

• aback
• attack
• backpack
• backtrack
• bareback
• blackjack
• brownback
• buyback
• callback
• cognac
• comeback
• cutback

Kids Definition

jam-pack

verb

ˈjam-ˈpak

: to pack tightly : cram

cars jam-packed the highway

jam-packs her books with interesting facts