noun, noun which may take the genitive case particle 'no'
The basic color red. Can be used as a noun or with の to modify another noun.
信号が赤になった。
The traffic light turned red.
彼女は赤のドレスを着ていた。
She was wearing a red dress.
noun
red-containing color; reddish
Refers to colors that contain red, such as brown, pink, or orange. Often used in compound words or descriptive phrases.
この茶色は赤が強い。
This brown has a strong red tone.
noun
Colloquial term for a communist or leftist, often written in katakana as アカ. Can be derogatory depending on context.
彼は昔アカだったらしい。
I heard he used to be a communist.
noun
Abbreviation of 赤信号. Used in everyday speech to refer to a red traffic light.
See also: 赤信号
赤で止まってください。
Please stop at the red light.
noun
Only when written 赤
Abbreviation of 銅 (あかがね). Rare and archaic; limited to the kanji form 赤.
See also: 銅 (あかがね)
古語では赤は銅を意味した。
In old language, 赤 meant copper.
Refers to vermilion or a bright red-orange, common in traditional arts and stamps.
Out-dated kanji for scarlet; rarely used in modern Japanese.
From Old Japanese. The root あか is associated with brightness and redness, possibly related to 明るい (あかるい, 'bright'). The kanji 赤 is a pictograph of a person over fire, symbolizing the color red.