Meaning
How do you describe a feather, a quick snack, or a person who can't keep a secret? In Japanese, you use 軽. While its primary meaning is physical lightness, it also describes speed, unimportance, and even personality traits.
The character's history is rooted in transportation. It features the radical 車 (kuruma) on the left, representing a vehicle or chariot. Originally, this kanji depicted a light chariot built for speed and agility rather than heavy transport. Because these chariots weren't weighed down by armor, they moved swiftly. This concept of being 'unburdened' defines the character today.
In modern usage, 軽 is incredibly versatile. It appears in words for 'light meals' (軽食) and 'minor injuries' (軽傷). It also carries a negative nuance when describing someone 'frivolous' or 'careless' (軽率). When writing this 12-stroke character, try to balance the 'car' radical on the left with the taller component on the right to keep the kanji looking stable.
Readings
On'yomi (音読み) — Chinese-derived readings
The main on'yomi is ケイ (kei). This reading appears in formal compound words and technical classifications. You may already know it from the famous 'Kei-car' (軽自動車). These small, fuel-efficient vehicles are a staple of Japanese roads.
- 軽快 (keikai) — Nimble, light-hearted, or upbeat (e.g., a keikai rhythm).
- 軽率 (keisotsu) — Rash or thoughtless behavior.
- 軽減 (keigen) — To reduce or lighten a burden, like a tax reduction.
Kun'yomi (訓読み) — Native Japanese readings
The most common native reading is かる.い (karui). Use this adjective for physical weight, light flavors, or non-serious situations. A secondary, more elegant reading is かろ.やか (karoyaka). This describes airy, graceful movements, such as a cat jumping or a pianist's touch.
- 軽い (karui) — Light (weight), easy, or non-serious.
- 軽やか (karoyaka) — Airy, nimble, or graceful.
- 身軽 (migaru) — Agile or traveling light without much baggage.
Common Words & Compounds
The meaning of 軽 shifts depending on what it is paired with. Here are the most useful categories for N4 learners.
Cars and Industry
- 軽自動車 (keijidousha) — A light motor vehicle (yellow-plate car).
- 軽油 (keiyu) — Diesel oil (literally 'light oil').
- 軽量 (keiryou) — Lightweight (often used for hiking gear or boxing weights).
Lifestyle and Convenience
- 軽食 (keishoku) — A snack or light meal like a sandwich.
- 手軽 (tegaru) — Easy, simple, or handy.
- 気軽に (kigaru ni) — Freely or without hesitation.
Idioms and Behavior
- 軽視 (keishi) — To look down on or make light of something.
- 口が軽い (kuchi ga karui) — To have a 'loose tongue' or be unable to keep secrets.
- 足が軽い (ashi ga karui) — To be light-footed or move quickly.
- 軽蔑 (keibetsu) — Scorn or contempt.
Example Sentences
この鞄は見た目よりずっと軽いです。
kono kaban wa mitame yori zutto karui desu.
This bag is much lighter than it looks.
お昼はサンドイッチなどの軽食ですませました。
ohiru wa sandoitchi nado no keishoku de sumasemashita.
I made do with a light meal, like a sandwich, for lunch.
彼は口が軽いので、秘密を話さないほうがいいです。
kare wa kuchi ga karui node, himitsu wo hanasanai hou ga ii desu.
He has a loose tongue, so you shouldn't tell him any secrets.
荷物をホテルに預けて、身軽に観光したい。
nimotsu wo hoteru ni azukete, migaru ni kankou shitai.
I want to leave my luggage at the hotel and sightsee unencumbered.
幸い、事故の怪我は軽傷でした。
saiwai, jiko no kega wa keishou deshita.
Fortunately, the injuries from the accident were minor.
質問があれば、お気軽にご相談ください。
shitsumon ga areba, okigaru ni gosoudan kudasai.
If you have any questions, please feel free to ask us.
ダンサーは音楽に合わせて軽やかに踊りました。
dansaa wa ongaku ni awasete karoyaka ni odorimashita.
The dancer moved gracefully to the music.
日本の狭い道では、軽自動車が便利です。
nihon no semai michi de wa, keijidousha ga benri desu.
Kei-cars are convenient for the narrow streets of Japan.
Related Kanji
- 急 — Hurry, Sudden, Emergency (Kanji N4)
- 短 — Short, brief, defect (Kanji N4)
- 便 — Convenience, Facility, Communication (Kanji N4)
- 悪 — Bad, Evil, Wrong (Kanji N4)
- 暗 — Dark, Darkness, Gloomy (Kanji N4)
- 広 — Wide, Broad, Spacious (Kanji N4)
Memory Tip
Look at the left side: 車 (car). On the right is a component that looks like a spool of thread. Imagine a car made out of light thread or balsa wood. It would be so light that you could pick it up with one hand! Just remember: a 'light car' (Kei-car) starts with the car radical.