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IELTS BNC: 5571 COCA: 5470

jam

1 jam /ˈʤæm/ verb
jams; jammed; jamming
1 jam
/ˈʤæm/
verb
jams; jammed; jamming
Learner's definition of JAM
: to fill (a place) completely塞满;填满
[+ object]
[no object]
[+ object] : to fill (something, such as a door or a road) so that movement is slow or stopped堵塞;拥堵
sometimes used figuratively有时用作比喻
[+ object] : to press or push (an object) into a tight place压进;塞入
: to push (a part of your body, a lever, etc.) suddenly and forcefully猛推(身体部位、杠杆等)
[+ object]
[no object]
[+ object] : to cause (a part of your body) to be painfully crushed, squeezed, etc.使(身体部位)受压(或挤)
[no object] : to stop working properly because something inside prevents movement卡住;停止正常运作
[+ object] : to cause (something) to stop working properly by preventing its parts from moving使…卡住;使…停止正常运作
[+ object] : to make (a radio signal or broadcast) impossible to understand by sending out signals or messages that weaken or block it(通过发射信号或信息)干扰(无线电讯号或广播)
[no object] : to play music informally together without preparation即兴合奏
[+ object] baseball : to throw a pitch that is close to a batter and that the batter is unable to hit well(向击球手)投(内角球)
2 jam /ˈʤæm/ noun
plural jams
2 jam
/ˈʤæm/
noun
plural jams
Learner's definition of JAM
[count]
: a situation in which a machine does not work properly because something inside prevents its parts from moving(机器)卡住,无法正常运作
: a situation in which something (such as a road) is so filled that movement is stopped or slowed堵塞;拥堵
see also logjam
informal : a difficult situation麻烦;困境
compare 3jam
3 jam /ˈʤæm/ noun
plural jams
3 jam
/ˈʤæm/
noun
plural jams
Learner's definition of JAM
[count, noncount]
: a sweet food made of fruit and sugar thickened by boiling果酱

money for jam

see money
compare 2jam
IELTS BNC: 5571 COCA: 5470

jam

1 of 4

noun (1)

: a food made by boiling fruit and sugar to a thick consistency
jammy adjective

jam

2 of 4

verb

jammed; jamming

intransitive verb

1
a
: to become blocked, wedged, or stuck fast
The line jammed and the boat hung useless.
b
: to become unworkable when a movable part becomes blocked or stuck
the gun jammed
2
: to force one's way into a restricted space
People continued to jam into the already crowded hall.
3
: to improvise on a musical instrument with a group : to take part in a jam session
musicians jamming together
4
basketball : dunk sense 2

transitive verb

1
a
: to press into a close or tight position
jammed his hat on
b(1)
: to cause to become wedged or stuck so as to be unworkable
jam the typewriter keys
(2)
: to make (machinery) unworkable by becoming wedged or stuck
The paper jammed the printer.
c
: to block passage of : obstruct
traffic jammed by an accident
d
: to fill often to excess : pack
the crowd jammed the theater
2
: to push forcibly
jammed the shovel into the ground
especially : to apply (brakes) suddenly and forcibly
used with on
suddenly jammed on the brakes
3
: to cause (a part of the body) to be painfully crushed or squeezed
jammed his finger in the door
4
a
: to make unintelligible by sending out interfering signals or messages
jam a radio broadcast
b
: to make (a radar apparatus) ineffective by sending out interfering signals or by causing reflection of radar waves
trying to jam the enemy's radar
5
football : to block, crowd, or bump (a pass receiver) near the line of scrimmage
The receiver got jammed at the line.
6
baseball : to pitch inside to (a batter)
jammed him with a fastball
jammer noun

jam

3 of 4

noun (2)

1
a
: a crowded mass that impedes or blocks movement
a traffic jam
b
: an act or instance of becoming blocked or jammed (see jam entry 2)
paper causing a jam of the copier
2
a
: the quality or state of being blocked, stopped, or jammed
the jam of the legislature caused by the piling up of new bills in the final days
b
: the pressure or congestion of a crowd : crush
a jam of people
3
: a difficult situation or state of affairs : fix
got into a jam
4
5
basketball : dunk shot
6
slang
a
: a musical piece
Although Rodriguez claimed to know nothing about music, he seemed certain of one thing regarding Lopez's latest jam: "I knew it was going to be a smash the first time I heard it." Abby Jones
especially : one that is favored or preferred over others
Everyone has their song—or songs—they listen to when they are doing some kind of exercise. For Carrie Underwood, though, it sounds like her jam is whatever music she's just discovered. Alison Bonaguro
b
: a favorite or much-loved item, subject, interest, activity, etc.
We think potatoes go with pretty much everything, and these are a straightforward classic that pairs beautifully with the brightly flavored, mustardy chicken. Leave out the oregano if you don't have it or if it's not your jam. Margaux Laskey
In college, reading his [Robert F. Kennedy's] speeches—"that was my jam," she [Alexandria Ocasio-Cortez] said. David Remnick
… he loves to go grocery shopping at PCC, and his oldest son introduced him recently to New Seasons Market. Cooking—especially making salmon—is his jam. Lisa Patterson

Jam

4 of 4

abbreviation

Jamaica

Example Sentences

Verb Thousands of people jammed into the hall. People were jamming the exits after the concert. He jammed the book back into the bookcase. She jammed her foot down hard on the brakes. She jammed on the brakes. A piece of paper jammed the copy machine. See More

Word History

Etymology

Noun (1)

probably from jam entry 2

Verb and Noun (2)

origin unknown

First Known Use

Noun (1)

circa 1736, in the meaning defined above

Verb

1706, in the meaning defined at intransitive sense 1a

Noun (2)

1805, in the meaning defined at sense 1b

Time Traveler
The first known use of jam was in 1706
IELTS BNC: 5571 COCA: 5470
jam

noun

 see also jelly ADJECTIVE | ... OF JAM | VERB + JAM | JAM + NOUN | PHRASES ADJECTIVEhome-made自製果醬apricot, raspberry, strawberry, etc.杏醬、山莓醬、草莓醬等... OF JAMdollop (BrE) 一團果醬jar, pot (BrE) 一罐果醬VERB + JAMmake做果醬spread (sth with)(給⋯)塗上果醬She spread the toast thinly with raspberry jam.她在烤麪包片上抹了薄薄的一層山莓醬。JAM + NOUNjar (BrE) 果醬罐doughnut, sandwich, tart (BrE) 果醬炸麪圈/三明治/餡餅PHRASESbread and jam果醬麪包 topic at food
jam

verb

ADVERB | PHRASES ADVERBconstantly時常堵塞People constantly jammed the street.街上經常擠滿了人。up堵塞The traffic will just jam up our village.車輛將會把我們村子堵得水泄不通。PHRASESbe jammed full (of sth)塞滿(⋯)The cupboards were jammed full of old newspapers.櫥櫃裏塞滿了舊報紙。be jammed solid (especially BrE) 堵得死死的The traffic was jammed solid on the bridge.橋上車輛堵得水泄不通。be jammed tight with sth擠滿⋯The room is jammed tight with furniture.房間裏堆滿了傢具。be jammed together堵在了一起We were jammed together shoulder to shoulder.我們肩靠肩緊緊擠成了一團。be jammed with擠滿了⋯The airport was jammed with people trying to arrange flights.機場擠滿了要搭乘航班的旅客。

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