Meaning
The kanji 正 is a cornerstone of Japanese ethics and daily life. It signifies correctness, truth, and staying on the right path. You will encounter this character everywhere, from math textbooks (positive numbers) to New Year's decorations and legal documents. It carries a sense of being aligned with a standard or moral truth.
Historically, 正 is an ideograph representing a foot (the radical 止, 'to stop' or 'walk') moving toward a straight line or a city gate. This image depicts a person marching directly toward their goal without wavering. Over time, the square goal at the top flattened into the single horizontal stroke (一) we see today. The resulting five-stroke character feels balanced and stable, reflecting its meaning of 'groundedness.'
Interestingly, because it has exactly five strokes, Japanese people use 正 as a tally mark. Instead of the Western four vertical lines and a diagonal slash, they write the strokes of 正 one by one to count to five. This makes it a very practical kanji to recognize in casual settings like restaurant kitchens or voting booths.
Readings
On'yomi (音読み) — Chinese-derived readings
The two main on'yomi are セイ (sei) and ショウ (shou). While both are common, セイ is generally used for formal, technical, or legal concepts, while ショウ appears in specific traditional or time-related terms.
セイ (sei): Use this reading for logic, math, and official status.
- 正解 (seikai) — Correct answer (e.g., on a test).
- 正確 (seikaku) — Precise; accurate (e.g., a precise watch).
- 正義 (seigi) — Justice (e.g., a hero fighting for justice).
- 正規 (seiki) — Regular; formal; full-time (e.g., 正規社員 - a full-time employee).
ショウ (shou): This reading is found in historical terms and specific everyday words.
- 正月 (shougatsu) — The New Year; January.
- 正直 (shoujiki) — Honesty; integrity. Often used as "Honestly..." (正直に言うと...).
- 正午 (shougo) — Noon; 12:00 PM.
Kun'yomi (訓読み) — Native Japanese readings
Native readings are used primarily for adjectives and verbs describing factual or moral rightness.
ただ.しい (tadashii): A standard i-adjective for anything that is "right."
- 正しい (tadashii) — Correct; proper; right.
- 正しく (tadashiku) — Properly; correctly (adverb).
ただ.す (tadasu): A transitive verb used when you fix an error.
- 間違いを正す (machigai o tadasu) — To correct a mistake.
まさ (masa): Often used for emphasis to mean "exactly" or "certainly."
- 正に (masa ni) — Exactly; just; surely.
Common Words & Compounds
Practical Applications
- 正方形 (seihoukei) — A square (lit. "correct direction shape").
- 正式 (seishiki) — Formal; official (e.g., an official ceremony).
- 正面 (shoumen) — The front; facade (lit. "the true face").
- 大正 (taishou) — The Taisho Era (1912–1926).
Example Sentences
正しい答えに〇をつけてください。
tadashii kotae ni maru o tsukete kudasai.
Please circle the correct answer.
正直に話してください。
shoujiki ni hanashite kudasai.
Please speak honestly.
正月はお寺に行きます。
shougatsu wa otera ni ikimasu.
I go to the temple during the New Year.
正午にロビーで待ち合わせましょう。
shougo ni robii de machiawasemashou.
Let's meet in the lobby at noon.
その時計の時間は正確ですか。
sono tokei no jikan wa seikaku desu ka?
Is the time on that clock accurate?
彼は正に、わたしたちが探していた人だ。
kare wa masa ni, watashitachi ga sagashite ita hito da.
He is exactly the person we were looking for.
姿勢を正してすわります。
shisei o tadashite suwarimasu.
Sit with correct/straight posture.
Related Kanji
- 病 — Sickness, Illness, Disease (Kanji N4)
- 便 — Convenience, Facility, Communication (Kanji N4)
- 飯 — Meal, Cooked Rice, Food (Kanji N4)
- 待 — Wait, Await, Expect (Kanji N4)
- 昼 — Daytime, Noon, Midday (Kanji N4)
- 服 — Clothing, Obedience, and Medicine (Kanji N4)
Memory Tip
Think of the top bar (一) as a goal line. The bottom part is the radical for "stop" (止). To be "correct" (正), you must stop exactly at the line without crossing it. It’s about precision and following the rules perfectly.