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Definition of jam

jam

/dʒæm/
jam

Plural:jams
•
Past Simple:jammed
•
Past Participle:jammed
•
Present Participle:jamming
JUMP TO:

jam Lexical Profile

jam Game Scores & Validity

• noun

1

An instance of being blocked or packed so tightly that movement or operation is prevented.

Example

"We missed the flight because our taxi was stuck in a massive traffic jam on the highway."


2

A sweet preserve made by boiling crushed fruit with sugar until it reaches a thick consistency.

Example

"She spread a generous layer of strawberry jam on her morning toast."


3

A difficult situation or predicament.

Example

"I need to ask you for a favor because I am in a bit of a jam right now."

Synonyms
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Antonyms
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• verb

1

To squeeze or pack tightly into a specified space.

Example

"The commuters tried to jam themselves into the already crowded train carriage."


2

To cause a machine or part to become stuck and unable to operate, or to become stuck in this way.

Example

"The printer jammed again when I tried to print my final essay."


3

To improvise and play music informally with other musicians.

Example

"The band members got together in the garage to jam for a few hours over the weekend."

Synonyms
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Antonyms
View all antonyms for jam

Word Nuance & Usage

When referring to the fruit spread, 'jam' usually contains pieces of crushed fruit, distinguishing it from 'jelly', which is made purely from strained fruit juice.

• Rhymes for jam

Word Origin & Etymology

Early 18th century (as a verb meaning 'press or squeeze'): of uncertain origin, possibly symbolic of the action. The noun sense referring to a fruit conserve dates from the 1730s, likely derived from the idea of crushing or squeezing the fruit.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Jam. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/jam
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