Translation and Meaning of: 赤い - akai

If you have ever wondered about the origin of the Japanese word 赤い (あかい), which means "red," or how it is used in everyday life in Japan, this article is for you. Here, we will explore everything from the etymology of this vibrant color to its cultural significance, along with tips to memorize the kanji and curiosities that go beyond the dictionary. If you are studying Japanese, feel free to jot down practical examples and even some phrases to include in your Anki or another spaced repetition system.

Red in Japan is not just a color—it's a symbol loaded with tradition, energy, and even superstition. But why does the kanji take this form? How do Japanese people use this word in their daily lives? And why does it appear in so many contexts, from festivals to warnings? Let's unravel all this next, including a classic pun that every Japanese student ends up hearing sooner or later.

The origin and the kanji of 赤い

The kanji is composed of two visual elements: (big) and (fire). Together, they suggest something like "big flame" or "intense fire," a perfect representation of the color red. Interestingly, in ancient China, this same character was also associated with the concept of "purity," but in Japan, its meaning has firmly established itself in the vibrant hue we know today.

In writing, the stroke order of kanji follows a specific sequence, starting with the upper radical before descending to the lower part. If you are learning to write it, notice how the horizontal line at the top of visually connects with the flames below. This mental image can help to fix the character—after all, who can forget the red after imagining it as fire?

Everyday use and popular expressions

In Japan, 赤い goes far beyond describing red objects. The color is associated with alerts—like traffic lights (赤信号) or danger signs—and also celebrations. Those who have seen a torii in a Shinto shrine know how sacred this hue is there. But it also has its informal side: saying that someone is 赤の他人 (literally "another red") means that they are a complete stranger, with no relation to you.

A phrase that often comes up in Japanese classes is 赤ちゃん (akachan), which means "baby". It is believed that the term comes from the reddish color of newborns, but some joke that it's because parents turn "red" with embarrassment from the little ones' mischief. Jokes aside, this is one of those words that shows how deeply the color red is rooted even in the sweetest everyday language.

Tips for memorization and curiosities

To avoid confusing 赤い with other basic colors, one technique is to associate it with iconic objects: think of the setting sun on Mount Fuji or Japanese apples, which are incredibly red. Another trick is to remember that the kanji looks like a stop sign—and indeed, many warnings in Japan use this color to draw attention.

And since we are talking about attention, did you know that in Japan the post offices (郵便局) use red as their official color? The stamps and mailboxes are easily recognizable by this shade. And if one day you hear someone say 赤点 (akaten), be careful: it’s the slang for "red mark," meaning that test that didn't go well at all. It’s better to keep red only for maps and decorations, right?

Vocabulary

Expand your vocabulary with related words:

Synonyms and similar words

  • 赤色 (Akairo) - Red color in general.
  • 紅色 (Beniiro) - Scarlet red, usually associated with brighter and more saturated colors.
  • 真っ赤 (Makka) - Intense red, emphasizing the color's intensity.
  • 緋色 (Hiiro) - Vermilion, a hue that approaches red, but with a deeper tone.

Related words

赤い

Romaji: akai
Kana: あかい
Type: adjective
L: jlpt-n5

Translation / Meaning: red

Meaning in English: red

Definition: The color is red.

Quick Access
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- Writing
- Sentences

How to Write in Japanese - (赤い) akai

See below a step-by-step guide on how to write the word by hand in Japanese. (赤い) akai:

Example Sentences - (赤い) akai

See below some example sentences:

赤い花がきれいです。

Akai hana ga kirei desu

The red flowers are beautiful.

The red flowers are beautiful.

  • 赤い - adjective that means "red"
  • 花 - noun meaning "flower"
  • が - particle that indicates the subject of the sentence
  • きれい - Adjective that means "beautiful"
  • です - verb that indicates the polite and courteous way of affirming something
私の顔は赤いです。

Watashi no kao wa akai desu

My face is red.

My face is red.

  • 私 - signifies "I" in Japanese
  • の - particle that indicates possession or belonging
  • 顔 - It means "face" in Japanese.
  • は - particle that indicates the topic of the sentence, in this case, "face"
  • 赤い - adjective that means "red"
  • です - verb "to be" in Japanese, used to indicate state or condition
日本の旗は白地に赤い円が描かれています。

Nihon no hata wa shiroji ni akai en ga egakarete imasu

The flag of Japan has a red circle designed on a white background.

The Japanese flag has a red circle on a white background.

  • 日本の旗 - Flag of Japan
  • は - Topic particle
  • 白地 - White background
  • に - Location particle
  • 赤い - Red
  • 円 - Circle
  • が - Subject particle
  • 描かれています - It's designed
火星は赤い惑星です。

Kasei wa akai wakusei desu

Mars is a red planet.

  • 火星 - Mars
  • は - Topic particle
  • 赤い - red
  • 惑星 - planet
  • です - Ser/estar (polite form)
私の家の軒は赤いです。

Watashi no ie no noki wa akai desu

The eave of my house is red.

The eaves of my house are red.

  • 私 - personal pronoun that means "I"
  • の - particle that indicates possession or belonging
  • 家 - noun that means "house"
  • 軒 - noun that means "eaves" or "roof"
  • は - Particle indicating the topic of the sentence
  • 赤い - adjective that means "red"
  • です - verb indicating "to be" or "to exist" in a polite form
私の判子は赤いです。

Watashi no hanko wa akai desu

My stamp is red.

My foundation is red.

  • 私 - Japanese personal pronoun that means "I"
  • の - Japanese particle indicating possession, equivalent to "my"
  • 判子 - Japanese word that means "stamp"
  • は - Japanese particle that indicates the topic of the sentence, equivalent to "about"
  • 赤い - Japanese adjective that means "red"
  • です - verb of ser/estar in Japanese, equivalent to "é/está"
私の車は赤いです。

Watashi no kuruma wa akai desu

My car is red.

  • 私 - personal pronoun that means "I"
  • の - particle that indicates possession or relationship between two things
  • 車 - noun that means "car"
  • は - particle that indicates the theme or subject of the sentence
  • 赤い - adjective that means "red"
  • です - verb that indicates the existence or identity of something, equivalent to the verb "to be" in Portuguese
私の財布は赤いです。

Watashi no saifu wa akai desu

My wallet is red.

My wallet is red.

  • 私の - "Meu" in Japanese
  • 財布 - "wallet" in Japanese
  • は - Japanese topic particle
  • 赤い - "red" in Japanese, in the affirmative adjective form
  • です - The verb "to be" in Japanese, in the affirmative present tense.

Other Words of this Type: adjective

See other words from our dictionary that are also: adjective

空しい

munashii

vague; futile; vain; empty; empty; ineffective; lifeless

円滑

enkatsu

harmony; softness

一様

ichiyou

uniformity; homogeneity; resemblance; equality; impartiality

見すぼらしい

misuborashii

Past; decadent

物凄い

monosugoi

diverted from the earth; impressive; largely