At the A1 level, you can think of 不機嫌な (fukigen-na) as a way to say someone is 'not happy' or has a 'bad face.' Even though it's a B1 word, you might see it in simple stories. Think of it like the opposite of 'happy' (ureshii/shiawase). In Japanese, we often use 'na' to connect this word to a person. For example, 'fukigen-na hito' means 'a grumpy person.' At this stage, just focus on the fact that it means someone is in a bad mood and looks a bit cross. You don't need to worry about all the complex kanji yet; just recognize the sound 'fukigen.' It's like when a baby is pouting because they want a toy. That feeling is 'fukigen.' You can use it simply: 'Tanaka-san wa fukigen desu' (Tanaka is grumpy). This is a great word to help you describe how people are feeling in a very basic way.
At the A2 level, you're starting to learn more adjectives to describe people's personalities and temporary states. 不機嫌な (fukigen-na) is very useful here because it's a 'na-adjective.' You should practice using it with the particle 'na' before nouns, like 'fukigen-na kao' (a grumpy face). You might also start to notice that it's the opposite of 'joukigen' (good mood). A2 learners should be able to identify that 'fukigen' is different from 'okoru' (to get angry). Anger is an action, but 'fukigen' is a state. If your friend is quiet and not smiling, they might be 'fukigen.' You can ask, 'Nande fukigen na no?' (Why are you grumpy?). This level is about moving beyond 'good' and 'bad' to more specific feelings like 'grumpy.'
At the B1 level, you should be comfortable using 不機嫌な (fukigen-na) in various grammatical structures. You should understand the difference between 'fukigen-na' (adjective) and 'fukigen-ni' (adverb). For example, 'Kare wa fukigen-ni kotaeta' (He answered grumpily). You should also be aware of the social importance of this word in Japan. Recognizing when someone is 'fukigen' is part of 'reading the air.' You might use this word to explain why you didn't talk to someone: 'Kacho ga fukigen-na yousu datta node...' (Because the section chief seemed grumpy...). At B1, you are expected to understand that this word describes a visible mood that affects the people around the person. It's a key word for describing interpersonal dynamics in daily life and work.
At the B2 level, you can explore the nuances of 不機嫌な (fukigen-na) compared to synonyms like 'kigen ga warui' or 'mushi no idokoro ga warui.' You should understand that 'fukigen' is a slightly more formal or literary adjective than the common phrase 'kigen ga warui.' B2 learners should be able to use 'fukigen' to describe abstract things, like a 'fukigen-na sora' (a threatening/gloomy sky) in a piece of creative writing. You should also be able to recognize the 'fu' (不) prefix in other words (like fushizen, fubin) and see how it works here to negate the 'kigen' (mood). At this level, you should also be able to discuss the cultural implications—how being 'fukigen' is often perceived as a lack of emotional self-control in a professional Japanese environment.
At the C1 level, you should have a deep understanding of the literary and psychological weight of 不機嫌な (fukigen-na). You can use it to analyze characters in Japanese literature, discussing how their 'fukigen' state reflects their internal conflict or social alienation. You should also be familiar with more advanced idioms that involve 'kigen,' such as 'gokigen-naname' (to be out of sorts/grumpy) and how they function as polite euphemisms. A C1 learner should be able to use the word in sophisticated ways, such as describing a 'fukigen-na chinmoku' (a sullen silence) that carries a specific social meaning. You should also be able to distinguish between 'fukigen' and more academic terms for psychological states, understanding the register of each.
At the C2 level, you possess a near-native grasp of 不機嫌な (fukigen-na). You can use it with perfect precision, knowing exactly when it is better to use an onomatopoeic word like 'busutto' for color or a highly formal term for professional reports. You understand the historical evolution of the word 'kigen' from its Buddhist roots (referring to the internal health and spirit) to its modern meaning of 'mood.' You can engage in nuanced discussions about the 'culture of fukigen' in Japan, perhaps referencing social critics who write about the 'unsmiling' nature of modern urban life. Your usage is effortless, and you can pick up on the subtle irony or sarcasm when someone uses 'fukigen' in a playful or exaggerated way.

不機嫌な in 30 Seconds

  • A na-adjective meaning grumpy, ill-humored, or sullen.
  • Describes a visible state of bad mood rather than an active outburst.
  • Used frequently to describe faces, voices, and general atmospheres.
  • Essential for navigating Japanese social cues and 'reading the air'.

The Japanese word 不機嫌な (fukigen-na) is a quintessential term used to describe a state of being ill-humored, grumpy, or sullen. At its core, it is a na-adjective that combines the negative prefix 'fu' (不) with 'kigen' (機嫌), which refers to one's mood or health. When you describe someone as fukigen, you are noting an external manifestation of their internal displeasure. Unlike 'angry' (okotte iru), which implies an active, often loud emotion directed at something, being fukigen is more about a lingering atmosphere of negativity. It is the heavy silence in the room, the furrowed brow of a coworker, or the short, clipped responses of a partner who woke up on the wrong side of the bed. In Japanese society, where 'reading the air' (kuuki wo yomu) is paramount, recognizing when someone is fukigen is a vital social skill.

Core Nuance
It describes a 'sour mood' that is visible to others through body language or tone, rather than a specific outburst of rage.

彼女は朝からずっと不機嫌な様子だ。(She has been looking grumpy since this morning.)

This word is frequently used in domestic settings, workplaces, and literature to paint a picture of someone who is unapproachable. It carries a sense of 'don't poke the bear.' Because Japanese culture values harmony (Wa), being overtly fukigen can be seen as slightly immature or selfish, as it forces others to 'take care' of your mood (kigen wo toru). However, it is a very human state, and you will hear it used to describe children pouting, bosses after a bad meeting, or characters in anime who are inherently 'tsundere' or anti-social. It is important to distinguish this from 'bad luck' or 'unhappiness' (fukou); this is strictly about the immediate emotional weather of a person.

Visual Cues
A 'fukigen' person often has a 'fukigen-na kao' (grumpy face), characterized by downward-turned lips and narrow eyes.

In a professional context, if a subordinate notices a manager is fukigen, they might delay asking for a favor or presenting bad news. This awareness is part of the 'omotenashi' and 'kyousou' (cooperation) mindset. Conversely, if you are the one feeling fukigen, it is often polite to apologize or try to hide it so as not to affect the group's morale. The term is versatile; it can be used for a passing moment of irritation or a chronic personality trait. Understanding the depth of this word helps learners navigate the subtle emotional landscapes of Japanese interactions, moving beyond basic 'happy' and 'sad' descriptors.

部長の不機嫌な声を聞いて、オフィスが静まり返った。(The office went silent upon hearing the manager's grumpy voice.)

Finally, consider the antonym: 上機嫌 (joukigen). While fukigen is the 'low' state (negative 'fu'), joukigen is the 'high' state (up 'jou'). Both focus on the 'kigen'—the spirit's current station. By mastering fukigen, you gain a tool to describe not just an emotion, but a social atmosphere that dictates how people move around one another in Japan.

Using 不機嫌な correctly requires an understanding of its grammatical function as a na-adjective. This means that when it modifies a noun directly, you must include the particle 'na'. For example, 'a grumpy person' is fukigen-na hito. If you want to use it at the end of a sentence to describe a subject, you use 'da' or 'desu': 'Tanaka-san is grumpy' becomes Tanaka-san wa fukigen da. Furthermore, it can be turned into an adverb by changing 'na' to 'ni', as in fukigen-ni furumau (to behave grumpily). This flexibility allows you to describe both the person and their specific actions or appearances.

Direct Modification
[Noun] + な + [Noun]: 不機嫌な猫 (A grumpy cat).

彼は不機嫌な顔で黙り込んだ。(He fell silent with a grumpy expression.)

Another common way to use this word is with the suffix ~sou (looking like). When you say fukigen-sou na, you are adding a layer of observation: 'he looks grumpy.' This is often more polite than stating it as an absolute fact, as it acknowledges that you are interpreting their outward appearance. For example, Kare wa fukigen-sou ni mieta (He appeared to be in a bad mood). This is particularly useful in Japanese culture where direct assertions about others' feelings can sometimes feel too presumptive. It allows for the possibility that you might be misreading the situation.

In complex sentences, fukigen often acts as the reason for an action. You might say, Fukigen-na node, hanashikakenai hou ga ii (Because they are grumpy, it's better not to talk to them). Here, the 'na node' construction links the state to the advice. You can also use it to describe the atmosphere of a place: Fukigen-na kuuki ga tadayou (A grumpy/tense air hangs about). This metaphorical use extends the word from just a person to the vibe of a whole room. It’s also worth noting that fukigen is often paired with verbs of perception like mieru (to look) or kanjiru (to feel/sense).

Adverbial Form
[Noun] + に + [Verb]: 不機嫌に返事をする (To reply grumpily).

When comparing fukigen with other adjectives, it sits between 'angry' and 'annoyed.' It is more of a 'state' than 'angry' (which is an emotion) and more 'visible' than 'annoyed' (which can be hidden). For instance, a child who didn't get a toy might be fukigen for hours, pouting and refusing to play. In this case, you would say Kodomo ga fukigen da. If the child screams, they are okotte iru. Understanding this distinction allows for more precise communication. You can also use it to describe yourself, though it often requires an explanation: Nesu-busoku de fukigen desu (I'm grumpy due to lack of sleep). This softens the impact by providing a reason for your behavior.

どうしてそんなに不機嫌なの? (Why are you so grumpy?)

In daily life in Japan, 不機嫌な (fukigen-na) is a word you will hear frequently in casual conversations, media, and storytelling. It is a staple in anime and manga, where character archetypes often revolve around their emotional states. For example, a character might be described as 'always fukigen' to indicate they are a 'lone wolf' or have a difficult past. In these contexts, it’s a shorthand for a specific kind of cool or brooding personality. You'll hear phrases like Aitsu, mata fukigen da ze (That guy's grumpy again) in shonen anime, often followed by a comedic attempt by another character to cheer them up.

Media Usage
Commonly used in drama scripts to describe a character's entrance: 'Fukigen-na hyoujou de arawareru' (Appears with a grumpy expression).

「何よ、その不機嫌な顔は!」 (What's with that grumpy face?!)

In the Japanese workplace, the word is used with a bit more caution but is still a key part of the 'backstage' (ura) conversation. Colleagues might whisper to each other, Kyou, kachou wa fukigen da kara ki wo tsukete (The section chief is grumpy today, so be careful). This serves as a warning system to maintain workplace harmony. It’s rarely said directly to a superior, but it’s a vital descriptor for managing office politics. You might also see it in news reports or magazines when discussing social issues, such as 'fukigen-na roushou' (grumpy elderly), a term sometimes used to discuss the social isolation of the aged. This shows how the word scales from personal moods to societal observations.

Literature and song lyrics also rely heavily on fukigen to evoke a specific mood. A novelist might describe the 'fukigen-na sora' (grumpy sky) to foreshadow a storm, using personification to imbue the environment with human-like displeasure. In pop music, it often appears in songs about breakups or rocky relationships, describing the moment one partner realizes the other is no longer happy. The word captures the 'vibe' of a moment perfectly. Even in parenting, mothers will often say to their toddlers, Fukigen-na no? Onaka suita? (Are you grumpy? Are you hungry?), using the word to categorize the child's non-verbal crying or pouting. This range of usage—from the nursery to the boardroom—makes it an essential part of the Japanese emotional lexicon.

Common Collocation
'Fukigen ni naru' (To become grumpy) is the most frequent verb pairing.

Lastly, you'll encounter it in 'Kigen-tori' (trying to improve someone's mood). If someone is fukigen, the people around them might feel the need to perform kigen-tori by bringing snacks, offering compliments, or simply being extra helpful. This cultural dance is almost always triggered by the observation that someone is fukigen. Thus, the word is not just a label; it’s a catalyst for a series of social behaviors designed to restore the 'Wa'. Hearing this word is an invitation to look closer at the social dynamics at play and understand the unspoken rules of Japanese emotional management.

彼は理由もなく不機嫌になることがある。(He sometimes gets grumpy for no reason.)

One of the most frequent mistakes English speakers make is confusing 不機嫌な (fukigen-na) with being 'angry' (怒っている - okotte iru). While they are related, they are not interchangeable. Anger is an active emotion, often with a target. You are angry *at* someone. Being fukigen is a general state of ill-humor. If you say someone is fukigen when they are actually screaming in rage, you are understating the situation. Conversely, if you say someone is okotte iru just because they look a bit sour, you might be exaggerating their emotional state. Understanding that fukigen is about the 'cloudy weather' of the mind rather than a 'lightning strike' of anger is key.

Mistake #1
Using 'fukigen' as an i-adjective. Never say 'fukigen-i'. It is always 'fukigen-na'.

× 彼は不機嫌い人だ。 (Incorrect)
○ 彼は不機嫌な人だ。 (Correct)

Another common error is failing to distinguish between fukigen and kanashii (sad). While a grumpy person might look similar to a sad person, the 'vibe' is different. Fukigen implies a level of irritation or dissatisfaction, whereas kanashii is purely about sorrow. If you use fukigen to describe someone grieving, it could come across as very insensitive. Similarly, don't confuse it with tai-hen (difficult) or tsukarete iru (tired). While being tired often leads to being fukigen, they are separate concepts. In Japanese, it's common to say Tsukarete fukigen ni naru (To become grumpy because of tiredness), showing the cause-and-effect relationship.

Learners also struggle with the adverbial form. They might say fukigen-na hanashita instead of fukigen-ni hanashita (spoke grumpily). Remember that 'na' is for nouns and 'ni' is for verbs. Also, watch out for the kanji. The 'gen' in fukigen is 嫌, which usually means 'dislike' (kirai). This can lead learners to think the word means 'disliking things.' While there is a historical connection, in this specific compound, it strictly refers to 'humor' or 'mood.' Don't let the 'dislike' kanji confuse you into thinking it's a verb about hating something.

Mistake #2
Confusing 'fukigen' with 'fushiawase' (unhappy/unlucky). 'Fukigen' is temporary; 'fushiawase' is a state of life.

Lastly, be careful with the register. While fukigen is a standard word, in very formal situations, you might use more circumspect language. Instead of saying a client is fukigen, you might say Go-kigen ga naname da (Their mood is slanted/askew), which is a classic, polite idiom. Using fukigen directly in a formal report about a client might be seen as too blunt or lacking in 'keigo' (polite language) sensitivity. Mastery of this word involves knowing when its directness is appropriate and when a softer, more idiomatic approach is required to maintain the social fabric.

× 彼は不機嫌にです。 (Incorrect)
○ 彼は不機嫌です。 (Correct)

To truly master the concept of 'grumpiness' in Japanese, you must understand the spectrum of similar words. The most direct alternative to 不機嫌な (fukigen-na) is the phrase 機嫌が悪い (kigen ga warui). While fukigen is a single adjective, kigen ga warui literally means 'the mood is bad.' In many contexts, they are interchangeable, but kigen ga warui is slightly more common in spoken Japanese because it follows the standard 'X ga Y' pattern. If you want to sound more natural in casual conversation, lean towards kigen ga warui. If you are writing or want to sound more descriptive, fukigen is an excellent choice.

Comparison: むっとしている (Mutto shite iru)
This describes a person who is visibly offended or huffy. It's more about the immediate reaction to a specific slight, whereas 'fukigen' is a general state.

彼は注意されてむっとしている。(He is looking huffy after being corrected.)

Another useful alternative is ぶすっとしている (busutto shite iru). This is an onomatopoeic expression that specifically describes the 'pouting' or 'sour-faced' look of someone who is grumpy. It’s very visual. You might use this for a child who is sulking because they can't have candy. It’s more informal than fukigen. Then there is 不快な (fukai-na), which means 'unpleasant' or 'uncomfortable.' While fukigen is about a person's mood, fukai is often about a sensation or an atmosphere. If a room is too hot, you feel fukai; if your boss is mean, you become fukigen.

For a more intense version, you might use 憤慨している (fungai shite iru), which means 'indignant' or 'resentful.' This is much stronger than fukigen and implies a sense of moral outrage. On the lighter side, 虫の居所が悪い (mushi no idokoro ga warui) is a fascinating idiom. It literally means 'the place where the (emotional) bug is staying is bad.' It’s used when someone is grumpy for no clear reason, as if an internal 'mood bug' is just sitting in the wrong spot. This is a very 'Japanese' way to externalize a bad mood and make it sound less like a character flaw.

Comparison: 苛立っている (Iradatte iru)
This means 'irritated' or 'on edge.' A person who is 'iradatte iru' is likely to snap at you, while a 'fukigen' person might just ignore you.

Finally, consider 陰気な (inki-na). This means 'gloomy' or 'melancholy.' While a fukigen person is actively grumpy, an inki person is habitually gloomy or dark in personality. Understanding these nuances—from the visual 'busutto' to the idiomatic 'mushi no idokoro'—allows you to describe the human emotional condition with much greater precision. Choosing the right word depends on how formal you want to be, how visual the grumpiness is, and whether you want to imply a specific cause or just a general state of being.

今日は部長の虫の居所が悪いようだ。(It seems the manager is in a bad mood for no reason today.)

How Formal Is It?

Fun Fact

The kanji '嫌' is also used in 'kirai' (dislike), but in 'fukigen,' it historically relates to 'evaluating' or 'observing' a state rather than just 'hating' something.

Pronunciation Guide

UK /fu.ki.ɡen.na/
US /fu.ki.ɡen.nɑ/
Japanese is pitch-accented. 'Fukigen' generally has a low-high-high-high pattern (Heiban), but can vary by dialect.
Rhymes With
Shigen (resource) Kigen (origin) Jigen (dimension) Kigen (deadline) Mugen (infinite) Seken (world/society) Kiken (danger) Iken (opinion)
Common Errors
  • Pronouncing 'fu' like 'foo' with rounded lips (it should be a voiceless bilabial fricative).
  • Skipping the 'n' sound before 'na'.
  • Treating it as an i-adjective.

Difficulty Rating

Reading 3/5

The kanji for 'gen' (嫌) is a bit complex but common.

Writing 4/5

Writing 'kigen' from memory takes practice.

Speaking 2/5

Easy to pronounce and very useful.

Listening 2/5

Distinct sound that is easy to catch in dialogue.

What to Learn Next

Prerequisites

機嫌 悪い 不-

Learn Next

上機嫌 不快 苛立つ 憮然

Advanced

情緒不安定 自己嫌悪 意気消沈

Grammar to Know

Na-adjective modification

不機嫌な顔 (Fukigen-na kao)

Adverbial 'ni'

不機嫌に答える (Fukigen-ni kotaeru)

Appearance suffix 'sou'

不機嫌そう (Fukigen-sou)

State 'mama'

不機嫌なまま (Remaining grumpy)

Conjunction 'node'

不機嫌なのだから (Because they are grumpy...)

Examples by Level

1

彼は不機嫌な顔をしています。

He is making a grumpy face.

Uses 'na' to modify 'kao' (face).

2

不機嫌な猫がいます。

There is a grumpy cat.

Simple adjective-noun structure.

3

先生は不機嫌ですか?

Is the teacher grumpy?

Question form using 'desu ka'.

4

私は朝、不機嫌です。

I am grumpy in the morning.

Subject-predicate structure.

5

不機嫌な人は嫌いです。

I dislike grumpy people.

Relative clause style 'fukigen-na hito'.

6

どうして不機嫌なの?

Why are you grumpy?

Casual question with 'no'.

7

彼は不機嫌な声で言いました。

He said it in a grumpy voice.

Modifying 'koe' (voice).

8

不機嫌にならないでください。

Please don't be grumpy.

Negative request 'ni naranaide'.

1

彼女は不機嫌そうに見えます。

She looks grumpy.

Uses 'sou' to mean 'looks like'.

2

不機嫌なときは、甘いものを食べます。

When I'm grumpy, I eat sweets.

Temporal clause 'toki' with adjective.

3

昨日の彼はとても不機嫌だった。

He was very grumpy yesterday.

Past tense 'datta'.

4

不機嫌な顔をしないで。

Don't make a grumpy face.

Prohibitive form 'naide'.

5

雨の日は不機嫌になりやすい。

It's easy to become grumpy on rainy days.

Compound verb 'nari-yasui' (easy to become).

6

彼は不機嫌にドアを閉めた。

He closed the door grumpily.

Adverbial form 'fukigen-ni'.

7

不機嫌な理由を教えてください。

Please tell me the reason for your grumpiness.

Modifying 'riyuu' (reason).

8

お腹が空くと不機嫌になる。

I get grumpy when I'm hungry.

Conditional 'to' for natural consequence.

1

不機嫌な態度をとるのはやめてください。

Please stop taking a grumpy attitude.

Common phrase 'taido wo toru' (to take an attitude).

2

彼は不機嫌そうな顔で部屋を出て行った。

He left the room with a grumpy-looking face.

Combining 'sou' and 'kao'.

3

不機嫌な上司に話しかけるのは勇気がいる。

It takes courage to talk to a grumpy boss.

Nominalized verb 'hanashikakeru no' as subject.

4

彼女が不機嫌なのは、私のせいかもしれない。

It might be my fault that she is grumpy.

Explanatory 'no' with 'sei' (fault).

5

彼は不機嫌になると、一言もしゃべらなくなる。

When he gets grumpy, he stops speaking entirely.

Resultative 'naku naru'.

6

不機嫌な空気が部屋中に漂っていた。

A grumpy/tense air was drifting through the room.

Metaphorical use with 'kuuki' (air/atmosphere).

7

そんなに不機嫌な顔をしないで、笑ってよ。

Don't look so grumpy, smile.

Imperative 'waratte yo'.

8

彼は何に対しても不機嫌に反応する。

He reacts grumpily to everything.

Adverbial 'ni' modifying 'hannou suru' (react).

1

彼は不機嫌を隠そうともしなかった。

He didn't even try to hide his grumpiness.

Noun form 'fukigen' as object.

2

不機嫌な沈黙が二人の間に流れた。

A sullen silence flowed between the two of them.

Literary pairing with 'chinmoku' (silence).

3

彼は不機嫌そうな足取りで階段を降りた。

He went down the stairs with grumpy-looking steps.

Modifying 'ashidori' (gait/steps).

4

彼女は不機嫌なとき、わざと返事を遅らせる。

When she's grumpy, she intentionally delays her replies.

Adverb 'wazato' (intentionally).

5

不機嫌な表情の裏には、深い悲しみがあった。

Behind the grumpy expression, there was deep sadness.

Abstract 'ura' (behind/underside).

6

彼は不機嫌なまま、会議を途中で切り上げた。

He cut the meeting short while still grumpy.

'Mama' meaning 'remaining in that state'.

7

彼の不機嫌な振る舞いは周囲を困惑させた。

His grumpy behavior confused those around him.

Causative 'konwaku saseta'.

8

不機嫌なのは、体調が悪いからに違いない。

He must be grumpy because he's feeling unwell.

'Ni chigai nai' (must be).

1

その小説の主人公は、常に不機嫌な皮肉屋だった。

The protagonist of that novel was a perpetually grumpy cynic.

Noun compounding 'fukigen-na hinikuya'.

2

不機嫌な雲が垂れ込め、嵐の予感がした。

Sullen clouds hung low, giving a premonition of a storm.

Personification of 'kumo' (clouds).

3

彼は不機嫌を装うことで、他人の干渉を避けていた。

By feigning grumpiness, he avoided the interference of others.

'Yosou' (to feign/pretend).

4

不機嫌な一瞥をくれただけで、彼は何も語らなかった。

He gave only a sullen glance and said nothing.

Specific noun 'ichibetsu' (a glance).

5

都会の不機嫌な喧騒に、私は疲れ果てていた。

I was exhausted by the grumpy clamor of the city.

Metaphorical 'fukigen-na kensou'.

6

彼女の不機嫌な態度は、一種の自己防衛だったのかもしれない。

Her grumpy attitude might have been a kind of self-defense.

'Isshu no' (a kind of).

7

不機嫌な調べが、古いピアノから流れてきた。

A sullen melody flowed from the old piano.

Abstract 'shirabe' (melody/tune).

8

彼は不機嫌な感情を、言葉ではなく絵にぶつけた。

He vented his grumpy emotions into his paintings rather than words.

'Butsukeru' (to vent/throw against).

1

彼の不機嫌な沈黙は、雄弁に彼の不満を物語っていた。

His sullen silence spoke eloquently of his dissatisfaction.

Paradoxical 'yuuben ni... monogataru'.

2

不機嫌な運命の悪戯に、彼は翻弄され続けた。

He continued to be toyed with by the pranks of a sullen fate.

Highly abstract 'fukigen-na unmei'.

3

不機嫌な美学を追求するその作家は、孤高の存在だった。

The writer, pursuing a sullen aesthetic, was a solitary figure.

Intellectual 'fukigen-na bigaku'.

4

彼の不機嫌は、単なる気分の問題ではなく、存在論的な問いを含んでいた。

His grumpiness was not merely a matter of mood, but contained ontological questions.

Philosophical 'sonzairon-teki'.

5

不機嫌な夕闇が、街の輪郭を曖昧にぼかしていった。

The sullen twilight blurred the outlines of the city.

Evocative 'yuuyami' (twilight).

6

不機嫌なまでに完璧な彼の仕事ぶりに、同僚は畏怖の念を抱いた。

His colleagues felt a sense of awe at his work, which was perfect to a grumpy degree.

'~made ni' expressing extreme degree.

7

その建築物は、不機嫌な巨人のように荒野にそびえ立っていた。

The building stood in the wilderness like a sullen giant.

Simile with 'kyojin' (giant).

8

不機嫌な社会の底流にある、人々の孤独を鋭く描き出した作品だ。

It is a work that sharply depicts the loneliness of people in the undercurrent of a sullen society.

Sociological 'shakai no teiryuu'.

Common Collocations

不機嫌な顔
不機嫌な声
不機嫌な態度
不機嫌になる
不機嫌そうに
不機嫌な沈黙
不機嫌を隠す
不機嫌の理由
不機嫌を直す
不機嫌な表情

Common Phrases

不機嫌極まりない

— To be extremely grumpy or in the worst possible mood.

彼の態度は不機嫌極まりない。

不機嫌なオーラ

— A modern slang-ish way to say someone is radiating a bad mood.

不機嫌なオーラが出ている。

不機嫌をまき散らす

— To spread one's bad mood to everyone around them.

職場で不機嫌をまき散らさないで。

不機嫌そうに鼻を鳴らす

— To snort grumpily or huff through one's nose.

彼は不機嫌そうに鼻を鳴らした。

不機嫌に拍車がかかる

— For someone's grumpiness to accelerate or get even worse.

渋滞で不機嫌に拍車がかかった。

不機嫌な顔をして黙る

— To shut up and look grumpy (the 'silent treatment').

彼女は不機嫌な顔をして黙り込んだ。

不機嫌を顔に出す

— To let one's grumpiness show on one's face.

彼はすぐに不機嫌を顔に出す。

不機嫌な返事

— A grumpy or short response.

不機嫌な返事しか返ってこない。

不機嫌を買う

— To incur someone's displeasure (less common than 'okori wo kau').

上司の不機嫌を買ってしまった。

不機嫌の極み

— The height of grumpiness.

今の彼は不機嫌の極みだ。

Often Confused With

不機嫌な vs 怒っている

Anger is active and directed; fukigen is a general state of ill-humor.

不機嫌な vs 悲しい

Sadness is sorrow; fukigen is irritation or dissatisfaction.

不機嫌な vs 不快

Fukai is 'unpleasant' (often physical); fukigen is 'grumpy' (always emotional).

Idioms & Expressions

"機嫌を損ねる"

— To offend someone or put them in a bad mood.

彼の機嫌を損ねてしまった。

Neutral
"機嫌を取る"

— To try to please someone who is in a bad mood.

上司の機嫌を取るのに疲れた。

Neutral
"虫の居所が悪い"

— To be in a bad mood for no particular reason.

今日は虫の居所が悪いようだ。

Idiomatic
"ご機嫌斜め"

— A polite or slightly humorous way to say someone is grumpy.

お嬢様はご機嫌斜めです。

Polite
"臍を曲げる"

— To get grumpy or sulky (literally 'to bend one's belly button').

そんなことで臍を曲げないで。

Idiomatic
"角が立つ"

— To create friction or make someone grumpy/angry.

そんな言い方では角が立つ。

Neutral
"機嫌一つで"

— Depending entirely on someone's mood.

彼の機嫌一つで予定が変わる。

Neutral
"機嫌を伺う"

— To check someone's mood before acting.

顔色を見て機嫌を伺う。

Neutral
"機嫌を直す"

— To recover one's good mood.

早く機嫌を直してよ。

Informal
"機嫌よく"

— Happily or in a good mood (the opposite state).

機嫌よく歌っている。

Neutral

Easily Confused

不機嫌な vs 不幸 (Fukou)

Both start with 'Fu'.

Fukou means unhappy or unlucky in life; Fukigen is just a temporary bad mood.

彼は不幸な人生を送ったが、今は不機嫌ではない。

不機嫌な vs 不信 (Fushin)

Both start with 'Fu'.

Fushin means distrust or suspicion.

不信感を抱くのと、不機嫌なのは違う。

不機嫌な vs 不満 (Fuman)

Related concepts.

Fuman is dissatisfaction with a specific thing; Fukigen is the resulting bad mood.

給料に不満があるので、彼は不機嫌だ。

不機嫌な vs 無愛想 (Buaissou)

Both describe unapproachable people.

Buaissou is a personality trait (unsociable); Fukigen is a temporary mood.

彼は無愛想だが、今日は特に不機嫌だ。

不機嫌な vs 陰気 (Inki)

Both are negative moods.

Inki is gloomy or dark; Fukigen is cross or grumpy.

陰気な部屋で、不機嫌な男が座っている。

Sentence Patterns

A1

[Person] は不機嫌です。

田中さんは不機嫌です。

A2

不機嫌な [Noun] をしないで。

不機嫌な顔をしないで。

B1

不機嫌そうに [Verb]。

不機嫌そうに返事をした。

B1

[Reason] で不機嫌になる。

お腹が空いて不機嫌になる。

B2

不機嫌を [Verb]。

不機嫌を隠す。

B2

不機嫌な [Noun] が漂う。

不機嫌な空気が漂う。

C1

不機嫌なまでに [Adjective]。

不機嫌なまでに完璧だ。

C2

不機嫌な [Abstract Noun]。

不機嫌な運命。

Word Family

Nouns

不機嫌 (Grumpiness/Ill-humor)
機嫌 (Mood/Humor)

Verbs

機嫌を損ねる (To lose one's mood/get grumpy)
機嫌を取る (To humor someone)

Adjectives

不機嫌な (Grumpy)
上機嫌な (High-spirited)

Related

不快 (Unpleasant)
不満 (Dissatisfaction)
怒り (Anger)
憂鬱 (Melancholy)
苛立ち (Irritation)

How to Use It

frequency

Common in both daily life and creative writing.

Common Mistakes
  • Using 'fukigen' as an i-adjective. 不機嫌な

    It's a na-adjective. You can't say 'fukigen-i'.

  • Confusing 'fukigen' with 'okotte iru'. Appropriate use based on intensity.

    Fukigen is a mood; okoru is the action of being angry.

  • Forgetting the 'na' before a noun. 不機嫌な顔

    Na-adjectives require 'na' to modify nouns.

  • Using 'fukigen' for broken objects. 故障している (koshou shite iru)

    Fukigen is only for living beings' moods.

  • Pronouncing it 'foo-key-gen'. fu-ki-gen

    The 'u' in 'fu' is very short/devoiced in Japanese.

Tips

The 'Na' Rule

Always remember that 'fukigen' is a na-adjective. 'Fukigen-na hito' is correct; 'fukigen hito' is not.

Polite Alternatives

If you want to be more polite about a boss being grumpy, use 'gokigen-naname'.

Pair with 'Sou'

Using 'fukigen-sou' (looks grumpy) makes you sound more observant and less judgmental.

Reading the Air

If you notice someone is 'fukigen,' it's a signal in Japan to be extra careful or give them space.

The 'N' Sound

Make sure to pronounce the final 'n' in 'fukigen' clearly before the 'na' or 'ni'.

Kanji Practice

The kanji for 'kigen' (機嫌) is high-level. Practice it to impress your teachers!

Not Just Angry

Remember that 'fukigen' can also mean 'sullen' or 'morose.' It's a broad spectrum of bad moods.

Fu = No

Always associate 'Fu' with 'No'. No Kigen = No good mood.

Anime Cues

Watch for characters who cross their arms and look away; they are the definition of 'fukigen'.

Antonym Check

Learn 'joukigen' at the same time to double your vocabulary efficiency.

Memorize It

Mnemonic

Imagine a 'Fu'(ll) 'Kigen' (Key-Gen)erator that has stopped working. When the 'Mood Generator' is 'Fu' (Not) working, you are 'Fukigen'!

Visual Association

Picture a person with a giant 'X' (the 'Fu' kanji) over a smiley face. The 'Fu' is canceling out their 'Kigen' (mood).

Word Web

不 (Not) 機 (Machine/Spirit) 嫌 (Dislike/Observe) 顔 (Face) 声 (Voice) 態度 (Attitude) 悪い (Bad) 直す (Fix)

Challenge

Try to spot three 'fukigen' people in a crowded place (like a train or a movie). Don't tell them, just note it to yourself: 'Ano hito wa fukigen-na kao wo shite iru.'

Word Origin

The word 'Kigen' (機嫌) originally comes from Buddhist terminology. 'Ki' (機) meant the internal workings or capacity of the mind, and 'Gen' (嫌) meant to observe or protect. Together, it referred to observing one's internal state to avoid offending others or breaking precepts. Over time, it shifted to mean a person's general mood or state of health. The 'Fu' (不) prefix was added to negate this state, resulting in 'ill-humor.'

Original meaning: A state where the internal spirit/capacity is not well-guarded or in disharmony.

Sino-Japanese (Kango)

Cultural Context

Avoid calling a superior 'fukigen' to their face. It is descriptive but can be seen as critical of their self-control.

In English, we might say 'woke up on the wrong side of the bed.' Japanese 'fukigen' covers this perfectly.

The 'Fukigen-na Mononokean' (The Morose Mononokean) anime series. Natsume Soseki's novels often describe characters as being fukigen. Standard 'tsundere' characters in anime like Taiga from Toradora.

Practice in Real Life

Real-World Contexts

At home

  • 朝から不機嫌だね。
  • 不機嫌な顔しないで。
  • 何が不機嫌なの?
  • 機嫌直して。

At the office

  • 課長が不機嫌です。
  • 不機嫌そうな返事。
  • 機嫌を伺う。
  • 不機嫌な空気。

In a relationship

  • 彼女を不機嫌にさせた。
  • 不機嫌な沈黙。
  • 機嫌を取る。
  • わざと不機嫌にする。

Describing children

  • 不機嫌な赤ちゃん。
  • 眠くて不機嫌。
  • すぐ不機嫌になる。
  • 不機嫌そうに泣く。

Literature/Anime

  • 不機嫌な主人公。
  • 不機嫌に笑う。
  • 不機嫌な一瞥。
  • 不機嫌な調べ。

Conversation Starters

"「なんだか不機嫌そうだけど、何かあったの?」 (You look a bit grumpy, did something happen?)"

"「彼はいつも朝は不機嫌なんだよね。」 (He's always grumpy in the morning, isn't he?)"

"「不機嫌な人をなだめるのは大変だ。」 (It's hard to calm down a grumpy person.)"

"「どうすれば彼女の不機嫌が直ると思う?」 (How do you think we can fix her grumpiness?)"

"「不機嫌な顔をすると、運が逃げるよ!」 (If you make a grumpy face, your luck will run away!)"

Journal Prompts

今日、自分が不機嫌になった理由を書いてみましょう。 (Write about why you became grumpy today.)

不機嫌な人に会ったとき、あなたはどう対応しますか? (How do you respond when you meet a grumpy person?)

「不機嫌な猫」というタイトルの短い物語を書いてください。 (Write a short story titled 'The Grumpy Cat'.)

不機嫌にならないために、どのような工夫をしていますか? (What steps do you take to avoid becoming grumpy?)

誰かの不機嫌な態度で、嫌な思いをしたことがありますか? (Have you ever felt bad because of someone's grumpy attitude?)

Frequently Asked Questions

10 questions

Usually, no. It is for people or animals. However, in literature, you can personify things like 'fukigen-na sora' (grumpy sky).

It's not a 'bad' word (swear word), but describing someone as 'fukigen' can be seen as negative or critical.

They mean the same thing. 'Kigen ga warui' is more common in spoken Japanese, while 'fukigen' is a more formal adjective.

No! It is a na-adjective. You must say 'fukigen-na'.

You can say 'Watashi wa fukigen desu' or 'Kigen ga warui desu'.

The opposite is 'joukigen' (上機嫌) or 'kigen ga yoi'.

Yes, it is very common to describe a pouting or crying child as 'fukigen'.

Change 'na' to 'ni'. For example: 'Fukigen-ni damaru' (to shut up grumpily).

Not necessarily. It can mean someone is just tired, hungry, or out of sorts without being actively angry.

No, usually it is 'kira(i)' or 'ken'. In 'kigen,' it is a special reading 'gen'.

Test Yourself 180 questions

writing

Translate to Japanese: 'He is grumpy today.'

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Translate to Japanese: 'Don't make a grumpy face.'

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Translate to Japanese: 'Why are you so grumpy?'

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Translate to Japanese: 'He answered grumpily.'

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writing

Translate to Japanese: 'A grumpy cat is on the chair.'

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writing

Translate to Japanese: 'Because I was hungry, I became grumpy.'

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Translate to Japanese: 'The office was filled with a grumpy atmosphere.'

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Translate to Japanese: 'She didn't try to hide her grumpiness.'

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Translate to Japanese: 'The manager is in a bad mood today.' (Polite)

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Translate to Japanese: 'He spoke in a grumpy voice.'

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Translate to Japanese: 'I dislike grumpy people.'

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Translate to Japanese: 'He looks grumpy.'

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Translate to Japanese: 'I'm sorry for being grumpy.'

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Translate to Japanese: 'Stop spreading your bad mood.'

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writing

Translate to Japanese: 'A sullen silence followed.'

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writing

Translate to Japanese: 'He was a grumpy protagonist.'

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writing

Translate to Japanese: 'My father is grumpy in the morning.'

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Translate to Japanese: 'I don't know the reason for his grumpiness.'

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Translate to Japanese: 'He slammed the door grumpily.'

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writing

Translate to Japanese: 'I need to humor my boss.'

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speaking

Describe a time you were 'fukigen'.

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How do you say 'He looks grumpy' in Japanese?

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Roleplay: Ask your friend why they are grumpy.

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Say 'Don't be so grumpy' politely.

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Describe a 'fukigen' boss.

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Use 'fukigen-ni' in a sentence about a cat.

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Explain the difference between 'fukigen' and 'angry' in Japanese.

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Say 'I get grumpy when I'm hungry.'

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What do you do when a friend is 'fukigen'?

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Use 'gokigen-naname' in a sentence.

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Describe a 'fukigen' atmosphere at a meeting.

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Say 'He left grumpily.'

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Describe a 'fukigen' character from a movie.

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Say 'Stop making that grumpy face.'

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What makes you 'fukigen' in the morning?

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Say 'A sullen silence followed the argument.'

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Use 'fukigen-na' to describe a voice.

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Ask: 'Is the teacher grumpy today?'

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Say 'He's just grumpy because he's tired.'

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Describe a 'fukigen' baby.

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listening

Transcription: '不機嫌な顔をしないでよ。'

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listening

Transcription: '彼はとても不機嫌そうだった。'

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listening

Transcription: 'どうして不機嫌なの?'

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listening

Transcription: '不機嫌に返事をする。'

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listening

Transcription: '機嫌を損ねてしまった。'

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listening

Transcription: '不機嫌な空気が漂っている。'

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listening

Transcription: '彼は不機嫌な猫のようだ。'

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listening

Transcription: '不機嫌な理由は寝不足だ。'

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listening

Transcription: '不機嫌そうな一瞥。'

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listening

Transcription: 'ご機嫌斜めですね。'

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listening

Which word did you hear? (Fukigen/Joukigen)

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listening

Transcription: '不機嫌な一言。'

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listening

Transcription: '不機嫌をまき散らすな。'

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listening

Transcription: '不機嫌にドアを閉めた。'

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listening

Transcription: '不機嫌なまま。'

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/ 180 correct

Perfect score!

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