How to Say "Gear" in Japanese

ギア

gia[ɡʲia̠]

The English word "gear" is translated into Japanese as ギア (gia).

ギア is primarily used for mechanical gears or technical equipment rather than general clothing or personal belongings.

Meaning: equipment or paraphernalia (noun)

Which one should you use?

The spelling ギヤ is a common alternative transcription of the same English word.

gia

In Japanese gaming and anime culture, ギア is often used to describe a 'power-up' mode or a state of increased intensity, such as 'second gear'. This usage describes a mental or physical shift rather than a mechanical part.
While ギア refers to technical equipment, Japanese people use the word 道具 'dougu' for general gear. In certain contexts, calling something 道具 can be a subtle insult, implying the person is merely a tool for someone else.
In Japanese automotive terminology, changing gears is often referred to as シフトチェンジ, using the English 'shift change' rather than a direct translation of 'gear'.

坂道でギアーをチェンジしたよ。
I changed gear as the road sloped.
This sentence is useful for practicing how to use ギア when discussing changing gears on a slope.
Tatoeba #13715823 by GreySquirrel, translation #13715824 by GreySquirrel
新しいキャンプのギアが届いたよ。
Atarashii kyanpu no gia ga todoita yo.
My new camping gear arrived.
このギアはとても使いやすいです。
Kono gia wa totemo tsukaiyasui desu.
This gear is very easy to use.

Misaki and Yota are preparing for a trip.

陽太 Yota

忘れ物はない？ギアは全部揃った？
wasuremono wa nai? gia wa zenbu sorotta?
Did you forget anything? Is all the gear ready?
美咲 Misaki

うん、ギアは全部バッグに入れたよ。
un, gia wa zenbu baggu ni ireta yo.
Yes, I put all the gear in the bag.
陽太 Yota

よし、準備万端だね。
yoshi, junbi manten da ne.
Great, we are all set then.
美咲 Misaki

早く出発しよう！
hayaku shuppatsu shiyou!
Let's head out quickly!

Sources

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