Translation and Meaning of: 口 - kuchi

The Japanese word 口[くち] is one of those that every Japanese language learner encounters early on, but it carries much more meaning than it seems at first glance. In this article, we will explore everything from its basic meaning to cultural curiosities and practical uses in everyday life in Japan. If you want to understand how this word functions in different contexts or even memorize it more easily, keep reading.

In addition to being an essential term for communication, 口[くち] appears in various expressions and even reflects aspects of Japanese culture. Here at Suki Nihongo, our detailed dictionary helps you uncover these meanings clearly. Let’s start with the basics and move on to details that few materials tend to explain.

Meaning and Everyday Use of 口 [くち]

In its simplest form, 口[くち] means "mouth" in Japanese. It is a common noun used to refer to a part of the body, but it also appears in broader contexts. For example, it can indicate the entrance of a place, as in 瓶の口[びんのくち] (mouth of the bottle), or even the act of speaking, as in the expression 口がうまい (to be persuasive).

What’s interesting is that, unlike Portuguese, Japanese uses 口[くち] in situations that go beyond the literal. In restaurants, you might hear 口に合う (to suit one's taste), demonstrating how the word is linked to taste and culinary experience. This type of metaphorical use is common and helps to understand why 口[くち] is so frequent in the language.

Origin and writing of the kanji 口

The kanji 口 is one of the oldest and simplest in the Japanese language, with only three strokes. Its origin dates back to archaic Chinese characters, where it visually represented an opening or entrance. Interestingly, this same kanji is also used as a radical in other characters related to actions of the mouth, such as 食べる (to eat) or 叫ぶ (to shout).

A helpful tip for memorization is to associate the square shape of the kanji 口 with the idea of an open mouth. Although it is not an absolute rule, many students find this mental image effective. Furthermore, the fact that it is one of the first kanjis taught in basic courses makes it easier to recognize even for beginners.

Mouth [くち] in Japanese culture and expressions

In Japan, the word 口[くち] goes beyond the physical and acquires interesting cultural meanings. Expressions like 口が重い (to be reserved) or 口を出す (to interfere) show how the concept of "mouth" is linked to communication and social behavior. These phrases are common in daily life and reflect values such as discretion and respect.

Another curious aspect is the use of 口[くち] in professional contexts. In stores and businesses, terms like 口コミ (word of mouth) are essential for understanding informal Japanese marketing. Even in animes and dramas, you will notice how this small word carries meanings that help to create natural and culturally authentic dialogues.

Vocabulary

Expand your vocabulary with related words:

Synonyms and similar words

  • 口紅 (kuchibeni) - Lipstick
  • 口腔 (kōkō) - Oral cavity
  • 口径 (kōkei) - Exit diameter (of a tube or pipe)
  • 口調 (kuchichō) - Voice tone
  • 口笛 (kuchibue) - Whistle
  • 口当たり (kuchi-atari) - Flavor (in the mouth, when eating or drinking)
  • 口癖 (kuchiguse) - Habit of speaking (or slang used frequently)
  • 口数 (kuchikazu) - Number of words (or speech)
  • Related words

    甘口

    amakuchi

    Sweet taste; softness; flattery; stupidity.

    悪口

    akkou

    abuse; insult; defamation; badmouth

    利口

    rikou

    intelligent; cunning; bright; clear; wise; intelligent

    無口

    mukuchi

    reticence

    窓口

    madoguchi

    box office

    閉口

    heikou

    Mouth shut

    早口

    hayakuchi

    quick conversation

    出口

    deguchi

    exit; portal; Way out; outlet; leak; ventilation

    出入り口

    deiriguchi

    output and input

    人口

    jinkou

    1. population; 2. common conversation

Romaji: kuchi
Kana: くち
Type: noun
L: jlpt-n5

Translation / Meaning: mouth; hole; Opening

Meaning in English: mouth;orifice;opening

Definition: The organ that produces speech.

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How to Write in Japanese - (口) kuchi

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

Example Sentences - (口) kuchi

See below some example sentences:

出口はどこですか?

Deguchi wa doko desu ka?

Where's the exit?

  • 出口 - means "exit" in Japanese.
  • は - It is a grammatical particle that indicates the topic of the sentence.
  • どこ - means "where" in Japanese.
  • です - It is an auxiliary verb that indicates the present tense and formality of the sentence.
  • か - It is a grammatical particle that indicates a question.
口頭で伝えることが大切です。

Kōtō de tsutaeru koto ga taisetsu desu

It is important to communicate verbally.

It is important to convey verbally.

  • 口頭で - orally
  • 伝える - transmit
  • こと - thing
  • が - subject particle
  • 大切 - important
  • です - Verb to be/estar in the present
口が渇いた。

Kuchi ga kawaita

I'm thirsty.

I was thirsty.

  • 口 (kuchi) - It means "mouth" in Japanese.
  • が (ga) - Subject particle in Japanese.
  • 渇いた (kawaita) - The verb that means "to be thirsty" in Japanese, conjugated in the past tense.
増加する人口が社会問題となっている。

Zouka suru jinkou ga shakai mondai to natte iru

Population increase is becoming a social problem.

The growing population has become a social problem.

  • 増加する - increasing
  • 人口 - population
  • が - (subject particle)
  • 社会問題 - social problem
  • と - (connection particle)
  • なっている - is becoming
彼は無口な人です。

Kare wa mukuchi na hito desu

He is a quiet person.

He is a silent person.

  • 彼 - The Japanese personal pronoun that means "he" is "彼" (kare).
  • は - topic particle that indicates the subject of the sentence
  • 無口 - adjective that means "quiet" or "silent"
  • な - particle connecting the adjective to the noun
  • 人 - noun that means "person"
  • です - Verb "to be" in polite form
彼女はとても利口です。

Kanojo wa totemo rikou desu

She's very smart.

  • 彼女 (kanojo) - she
  • は (wa) - Topic particle
  • とても (totemo) - very
  • 利口 (rikou) - intelligent
  • です (desu) - verb ser/estar (polite)
火口から煙が立ち上がっている。

Kakou kara kemuri ga tachiagatte iru

Smoke is leaving the crater.

The smoke is standing from the crater.

  • 火口 (kakou) - volcano eruption
  • から (kara) - from, starting at
  • 煙 (kemuri) - smoke
  • が (ga) - subject particle
  • 立ち上がっている (tachiagatteiru) - It's rising, it's rising
私の銀行口座の残高は少ないです。

Watashi no ginkou kouza no zandaka wa sukunai desu

My bank account balance is low.

My bank account balance is small.

  • 私 (watashi) - personal pronoun meaning "I" in Japanese.
  • の (no) - particle indicating possession or relationship between two things.
  • 銀行 (ginkou) - Noun that means "bank" in Japanese.
  • 口座 (kouza) - Noun that means "account" in Japanese.
  • の (no) - particle indicating possession or relationship between two things.
  • 残高 (zandaka) - Noun that means "balance" in Japanese.
  • は (wa) - Particle that indicates the topic of the sentence, in this case "balance".
  • 少ない (sukunai) - Adjective meaning "little" or "low" in Japanese.
  • です (desu) - Auxiliary verb that indicates the polite or respectful way of speaking in Japanese.
私は口紅を塗りました。

Watashi wa kuchibeni wo nurimashita

I applied lipstick.

I painted lipstick.

  • 私 - personal pronoun that means "I"
  • は - Particle indicating the topic of the sentence
  • 口紅 - noun that means "lipstick"
  • を - Particle indicating the direct object of the sentence
  • 塗りました - The word is "painted" or "applied" (in the past).
裏口から入る。

Uraguchi kara hairu

Enter through the back door.

Enter the back door.

  • 裏口 - means "back door" or "side entrance".
  • から - means "from" or "of".
  • 入る - means "to enter".

Other Words of this Type: noun

See other words from our dictionary that are also: noun

形態

keitai

form; Format; figure

お祖母さん

obaasan

grandmother; old woman

然して

soshite

I'm sorry, but I need a text or string to translate from Portuguese to English. Please provide the content you'd like me to work on.

兼用

kenyou

multipurpose use; combined use; combination; serve two purposes

omomuki

meaning; tenor; essence; It is made; appearance; flavor; grace; charm; refinement

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