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Definitions

jam-packed

ADJECTIVE
bursting
Synonyms
STRONG
brimming crammed filled full jammed overcrowded packed stuffed teeming
Antonyms
STRONG
empty
WEAK
calm peaceful stable
ADJECTIVE
chock-full
Synonyms
WEAK
brimming bulging bursting chock-a-block completely full cram full crammed overcrowded overflowing packed packed like sardines packed to capacity stuffed
ADJECTIVE
close
Synonyms
STRONGEST
solid tight
STRONG
circumscribed compact confined confining congested consolidated cropped crowded firm narrow packed restricted short thick
WEAK
close-grained impenetrable impermeable substantial
Antonyms
STRONG
clear empty loose uncongested uncrowded
WEAK
open uncramped
ADJECTIVE
congested
Synonyms
STRONGEST
choked crowded glutted gridlocked jammed overcrowded teeming
STRONG
closed crammed filled gorged massed mobbed obstructed occluded overfilled overflowing packed plugged stopped stoppered stuffed
WEAK
chock-full jam-full packed like sardines stuffed-up up to the rafters
Antonyms
STRONGEST
empty
WEAK
clear free open unblocked unclogged uncongested uncrowded
ADJECTIVE
crowded
Synonyms
STRONGEST
cramped full huddled jammed loaded packed populous teeming
STRONG
brimming clean close compact crammed crushed massed mobbed overflowing stuffed swarming thronged
WEAK
SRO awash brimful chock-full dense elbow-to-elbow filled to the rafters fit to bust full house full up lousy with mob scene sardined sold out standing room only stiff with thick thickset tight topped off up to here up to the hilt wall-to-wall
Antonyms
STRONGEST
deserted empty
STRONG
imprecise loose
WEAK
uncongested uncrowded unfilled
ADJECTIVE
dense
Synonyms
STRONGEST
heavy impenetrable opaque solid
WEAK
close compact condensed crammed crowded heaped jammed massed packed packed like sardines piled substantial thickset
Antonyms
STRONGEST
soft
WEAK
open scattered sparse thin uncompressed
ADJECTIVE
full
Synonyms
STRONGEST
adequate big chock-full complete crowded entire intact packed stocked sufficient
STRONG
abounding burdened bursting crammed glutted gorged imbued impregnated jammed laden lavish loaded overflowing padded replete sated satiated satisfied saturated stuffed suffused surfeited teeming weighted
WEAK
abundant awash bounteous brimful chockablock competent extravagant jammed full packed like sardines plenteous plentiful plethoric profuse running over voluminous
Antonyms
STRONGEST
defective deficient empty inadequate incomplete insufficient lacking wanting
STRONG
unloaded
WEAK
hungry needy starved unsatisfied void
ADJECTIVE
much
Synonyms
STRONGEST
enough
STRONG
full great heaps loads scads
WEAK
a lot of abundant adequate ample complete considerable copious countless endless everywhere extravagant galore generous immeasurable lavish lotsa many mega mucho no end plenteous plentiful profuse satisfying sizable substantial sufficient very many voluminous
Antonyms
WEAK
little
ADJECTIVE
neck and neck
Synonyms
WEAK
circumscribed close-grained compact confined confining congested consolidated cropped crowded firm impenetrable impermeable narrow nip and tuck packed restricted short solid substantial thick tight
ADJECTIVE
overcrowded
Synonyms
STRONG
full overflowing overpopulated stuffed
WEAK
overbuilt
ADJECTIVE
packed
Synonyms
STRONGEST
arranged congested crowded filled jammed loaded overflowing overloaded stuffed swarming wrapped
STRONG
brimming bundled chock compact compressed consigned crammed mobbed seething
WEAK
awash brimful chock-full full to the gills packed like sardines serried to the roof tumid up to the hilt up to the rafters wall-to-wall
Antonyms
STRONGEST
clear empty uncongested uncrowded
WEAK
deserted
ADJECTIVE
replete
Synonyms
STRONGEST
awash filled loaded rife
STRONG
abounding brimming charged complete crammed crowded glutted gorged jammed lavish overflowing packed sated satiated stuffed swarming teeming thronged
WEAK
abundant alive brimful chock-full full up luxurious overfed plenteous well-provided
Antonyms
STRONG
empty lacking unfilled wanting
WEAK
needy
ADJECTIVE
stuffed
Synonyms
STRONGEST
filled jammed loaded packed
STRONG
bursting crowded full glutted gorged overflowing satisfied saturated
WEAK
packed like sardines running over tight
Antonyms
STRONGEST
empty

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Phil’s jam-packed summer lineup, which the organization is expected to announce Wednesday.

From Los Angeles Times • Feb. 18, 2026

The country’s nerves have been frayed, Minister for Social Affairs Aqqaluaq B. Egede told a jam-packed room of local and international journalists.

From The Wall Street Journal • Jan. 22, 2026

And the rapper has jam-packed the 17-track offering with explorations of various genres, from punk and trap to indie.

From BBC • Jan. 16, 2026

The 32-year-old has had a jam-packed schedule this year and he blamed fatigue for a performance that he described as "not good".

From Barron's • Dec. 27, 2025

The aisles are jam-packed with viewers, waving homemade posters of their favorite wild-card players, all gathered here to see us in the flesh.

From "Warcross" by Marie Lu

Vocabulary lists containing jam-packed

"Raymond's Run"

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