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

Hot on the heels of New York Fashion Week, with some events bleeding into the week itself, this year’s climate week is seemingly more jam-packed than ever. — Bella Webb, Vogue, 17 Sep. 2026

This free community celebration will be jam-packed with live performances, mouthwatering food trucks and ice-cold local brews. — Everett Eaton, jsonline.com, 21 Aug. 2026

The interior is jam-packed with colorful, street mural-style art. — Michael Deeds, Idaho Statesman, 20 Aug. 2026

Where to Follow Our Black Hat 2026 Coverage Black Hat’s briefing schedule is, as always, jam-packed with interesting demonstrations and titillating panel discussions. — Kim Key, PC Magazine, 30 July 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