adj · verb · 5 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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CMU ARPABET:JH AE1 M D
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Stuck.
Definition source: English Wiktionary via Wiktextract
Examples
The window is jammed shut.
How to treat a jammed finger or toe.
The printer is still jammed. Make sure that all the jammed paper is removed.
The ship was jammed between two rocks.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Overcrowded; congested.
Definition source: English Wiktionary via Wiktextract
Examples
Certain routes of the city are heavily jammed.
These roads are hopelessly jammed with cars and mobile homes during holidays.
A jammed Oktoberfest beer tent.
Meaning relationships
Synonyms: jam-packed, jam rammed, packed, packed to the gills, rammed
Antonyms: none provided
Broader terms: busy, crowded
3
adj
Meaning 3
Rendered unusable by intentional interference.
Definition source: English Wiktionary via Wiktextract
Examples
All their broadcasts are jammed.
The jammed programming is being distributed on USB sticks instead.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
verb
Meaning 4
simple past and past participle of jam
Definition source: English Wiktionary via Wiktextract
Usage: form-of, participle, past
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
adjective satellite
Meaning 5
filled to capacity
Definition source: Princeton WordNet 3.0
Examples
a suitcase jammed with dirty clothes
stands jam-packed with fans
a packed theater
Meaning relationships
Synonyms: jam-packed, packed
Antonyms: none provided
History
Etymology
No etymology was provided for this word.
Across languages
Translations
20 source translations are retained for this English entry.
Finnish:
jumissa
— pertaining to something which is stuck
German:
eingeklemmt
— pertaining to something which is stuck
German:
festgeklemmt
— pertaining to something which is stuck
German:
eingequetscht
— pertaining to something which is stuck
Italian:
bloccato
— pertaining to something which is stuck
Italian:
inceppato
— pertaining to something which is stuck