重 — Heavy, Important, Layers

Meaning

Every N4 student should master the kanji 重じゅう. While its primary meaning is "heavy," it expands into abstract concepts like importance, seriousness, and spatial layering. Whether you are describing a heavy box, a serious decision, or the many layers of a kimono, this character is your go-to.

Historically, this character is an ideogram. Ancient scripts show a person (人) standing on a large bundle or a sack of earth (東). This imagery represents the physical strain of carrying a heavy load. Over time, the character was standardized into its current 9-stroke form. Modern students often break the character into 千 (thousand) and 里 (village). This leads to a popular mnemonic: walking a thousand ri (an old distance unit) is a heavy and exhausting task.

In addition to physical weight, Japanese uses this kanji to denote gravity or significance. A "heavy" problem is a "serious" one. The character also covers the concept of "stacking" or "repeating." You will find it in words for multi-layered lunch boxes (jubako) or double-layered clothing. Understanding this duality between weight and stacking is key to mastering its usage.

Readings

On'yomi (音読み) — Chinese-derived readings

Most compound words (jukugo) use the on'yomi reading ジュウ (JUU). It appears in contexts ranging from physical mass to the severity of a situation.

1. 体重たいじゅう (taijuu) — body weight

2. 重要じゅうよう (juuyou) — important

3. 重大じゅうだい (juudai) — serious/grave (e.g., a serious incident)

The second reading, チョウ (CHOU), is more specific. It usually appears in words related to valuing or treating something with care. You will encounter it in these common terms:

1. 貴重きちょう (kichou) — precious/valuable

2. 尊重そんちょう (sonchou) — respect/esteem

3. 慎重しんちょう (shinchou) — discreet/cautious

Kun'yomi (訓読み) — Native Japanese readings

Use the kun'yomi readings when the kanji stands alone as an adjective or functions as a verb.

おも.い (omoi): This is the standard adjective for "heavy." It describes physical weight, a heavy atmosphere, or even a serious illness.

1. 重おもい荷物にもつ (omoi nimotsu) — heavy luggage

2. 口くちが重おもい (kuchi ga omoi) — tight-lipped/taciturn

かさ.ねる (kasaneru) and かさ.なる (kasanaru): These are the transitive and intransitive verbs for stacking or overlapping. Use kasaneru when you are the one stacking books, and kasanaru when schedules or events overlap.

1. 皿さらを重かさねる (sara wo kasaneru) — to stack plates

2. 予定よていが重かさなる (yotei ga kasanaru) — schedules overlap

え (e): This is an older reading used as a suffix for counting layers.

1. 一重ひとえ (hitoe) — single layer/single eyelid

2. 三重みえ (mie) — triple/three-fold (also the name of Mie Prefecture)

Common Words & Compounds

Physical Weight and Science

• 重量じゅうりょう (juuryou) — weight/gross weight (used in shipping or sports)
• 重力じゅうりょく (juuryoku) — gravity
• 重厚じゅうこう (juukou) — profound/massive (used for architecture or sound)

Importance and Value

• 重視じゅうし (juushi) — prioritizing/regarding as important
• 重宝ちょうほう (chouhou) — handy/useful (literally "treasured layer")
• 重役じゅうやく (juuyaku) — company executive (literally "heavy role")

Layers and Repetition

• 二重にじゅう (nijuu) — double/dual (e.g., double doors)
• 八重桜やえざくら (yaezakura) — multi-layered cherry blossom

Example Sentences

Related Kanji

• 暑 — Hot (Weather), Heat (Kanji N4)
• 短 — Short, brief, defect (Kanji N4)
• 田 — Rice Field (Kanji N4)
• 悪 — Bad, Evil, Wrong (Kanji N4)
• 地 — Ground, Earth, Land (Kanji N4)
• 春 — Spring (Kanji N4)

Memory Tip

Look at the visual components: 千せん (one thousand) and 里さと (village). Imagine you have to walk one thousand miles to reach the next village. That journey would feel incredibly heavy and serious! This mental image perfectly links the parts of the kanji to its primary meanings of weight and importance.