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Entry

じゃんじゃか

janjaka

Loudly strumming a musical instrument, or doing an action vigorously and continuously without hesitation.

Meaning

Quick Meaning

Janjaka originated as a word to describe the loud, noisy sound of strumming or playing a musical instrument forcefully. Its meaning extended to describe any action, such as eating, spending money, or selling goods, that is done with high energy, continuously, and without holding back.

  • Playing a musical instrument loudly
  • Doing an action vigorously and continuously

Sense Map

Loud Musical Sound

The sound of strumming or playing a musical instrument loudly and noisily.

ギターをじゃんじゃか弾く。

Continuous Action

Doing something vigorously, abundantly, and without hesitation.

遠慮しないでじゃんじゃか食べてね。

Usage Note

How to Use

  • じゃんじゃか + 動詞

    Used directly before a verb to indicate that the action is done vigorously or continuously.

  • じゃんじゃかと + 動詞

    Functions the same as the pattern without the particle to, but the to can be added to put slightly more emphasis on the manner of the action.

How to Use

Common Phrases

じゃんじゃか弾く

to play an instrument noisily

じゃんじゃか食べる

to eat vigorously and abundantly

じゃんじゃか使う

to use or spend without hesitation

じゃんじゃか売れる

to sell rapidly and continuously

Nuance

Context Nuance

Common ContextsNuanceUsage Note
Playing a musical instrumentNeutral to slightly negativeDescribes playing loudly, often implying the sound is noisy or lacks delicate skill.
Doing everyday actions like eating or spendingCasual and energeticImplies doing the action vigorously, abundantly, and without holding back or hesitating.

Similar Words

Comparison Table

Similar WordsWhen to UseNot the Same asMini Example

じゃかじゃか

じゃかじゃか / similar

When describing the loud, somewhat noisy strumming of a stringed instrument like a guitar.Very similar to janjaka, but slightly more focused on the physical metallic or sharp sound of strumming, while janjaka is often used figuratively for any vigorous action.ギターをジャカジャカ弾く。

どんどん

どんどん / similar

When describing something progressing or being done continuously and steadily.Dondon implies steady, smooth progress, whereas janjaka implies doing something with rough vigor, loud energy, or a lack of hesitation.仕事がどんどん進む。

Usage Note

Common Mistakes

Using it to describe quiet, elegant, or careful continuous actions.

Janjaka implies loud noise or rough, unhesitating vigor. Use kotsukotsu for slow, steady progress, or dondon for smooth, continuous action.

Using it as an adjective to describe a noisy person.

Janjaka is an adverb modifying an action like playing music, eating, or spending, not a state of being noisy. Use urusai for a noisy person.

Examples

Examples

兄は部屋でギターをじゃんじゃか弾いている。

あにはへやでギターをじゃんじゃかひいている。

My older brother is noisily strumming his guitar in his room.

LiteralShows the sound of a guitar being strummed strongly and perhaps a bit annoyingly.

Source: Internal

たくさん作ったから、遠慮しないでじゃんじゃか食べてね。

たくさんつくったから、えんりょしないでじゃんじゃかたべてね。

I made a lot, so please eat up without holding back.

FigurativeUsed warmly to encourage someone to eat without restraining themselves.

Source: Internal

ボーナスが出たからといって、お金をじゃんじゃか使うのはよくない。

ボーナスがでたからといって、おかねをじゃんじゃかつかうのはよくない。

Just because you got a bonus doesn't mean it's good to spend money recklessly.

FigurativeShows the usage of something, like money, in large amounts and without hesitation.

Source: Internal

セールが始まり、新商品がじゃんじゃか売れていく。

セールがはじまり、しんしょうひんがじゃんじゃかうれていく。

The sale started, and the new products are selling rapidly one after another.

FigurativeDescribes the steady, unstoppable, and rapid pace of sales.

Source: Internal

隣の家からじゃんじゃかと音楽が聞こえてくる。

となりのいえからじゃんじゃかとおんがくがきこえてくる。

I can hear music blaring noisily from the house next door.

LiteralShows a continuous, loud sound playing without pause.

Source: Internal

Similar Words

ジャカジャカ

jakajaka

similar

Used specifically for the sound of stringed instruments.

Questions

Can I use janjaka in formal writing?

No, janjaka is a casual, spoken expression. In formal contexts, use words like tsugitsugi ni for one after another or sekkyokuteki ni for actively.

What is the difference between janjaka and jakajaka?

They are nearly identical when describing loud guitar strumming. However, janjaka is more commonly extended figuratively to describe doing general actions like eating or spending vigorously.

Does janjaka always have a negative meaning?

Not always. While it can imply being too loud or reckless with money, it can also warmly encourage someone to eat or participate without hesitation.

Source Details

Entry ID
2454100
Source
JMdict_english
Revision
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Review notes
No special notes
Active language
English
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