In this blog, we’re taking a look at essential Japanese expressions and etiquette. If you get these down, you’ll flow through Japan like water.
Essential Japanese expressions
This is a broad, high-utility working vocabulary. It includes conversational fillers, softeners, and the things people actually say dozens of times a day. Japanese is as much about managing social flow as conveying information, so you can think of these phrases as pragmatic glue.
Core conversational responses (you’ll use these constantly)
- はい (hai) – Yes
- ええ (ei) – Yes (softer, conversational)
- うん (un) – Yeah (casual)
- いいえ (iie) – No (formal; less used in conversation)
- ううん (u-un) – No (casual)
- そうです (sō desu) – That’s right
- そうですね (sō desu ne) – Yes, indeed / I see
- そうなんですね (sō nan desu ne) – Oh, I see (new info)
- そうなんですか？ (sō nan desu ka?) – Oh really?
- なるほど (naruhodo) – I see / That makes sense
- たしかに (tashika ni) – True / Indeed
- もちろん (mochiron) – Of course
- ほんとうに？ (hontō ni?) – Really?
- 分かります (wakarimasu) – I understand
- 分かりました (wakarimashita) – Understood
- 分かりません (wakarimasen) – I don’t understand
- ちょっと分かりません (chotto wakarimasen) – I’m not quite sure
Agreement, disagreement, correction
- そう思います (sō omoimasu) – I think so
- そう思いません (sō omoimasen) – I don’t think so
- ちがいます (chigaimasu) – That’s wrong / That’s not correct
- ちがうと思います (chigau to omoimasu) – I think that’s different
- それはちょっと… (sore wa chotto…) – That’s a bit… (soft refusal)
- たぶん (tabun) – Probably
- もしかして (moshika shite) – Perhaps / Could it be
The very useful “daijōbu”
- 大丈夫 (daijōbu) – OK / Fine / Safe
- 大丈夫です (daijōbu desu) – It’s fine / No thank you / I’m OK
- 大丈夫ですか？ (daijōbu desu ka?) – Are you OK?
- もう大丈夫です (mō daijōbu desu) – It’s OK now
- 全然大丈夫です (zenzen daijōbu desu) – Completely fine
This is one of the most multifunctional words in Japanese.
Polite social lubricants (essential in Japan)
- すみません (sumimasen) – Excuse me / Sorry / Thanks
- 申し訳ありません (mōshiwake arimasen) – I sincerely apologise
- ごめんなさい (gomen nasai) – I’m sorry
- ありがとうございます (arigatō gozaimasu) – Thank you
- どうもありがとうございます (domō arigatō gozaimasu) – Thank you very much
- お願いします (onegaishimasu) – Please
- よろしくお願いします (yoroshiku onegaishimasu) – I appreciate your cooperation
- 失礼します (shitsurei shimasu) – Excuse me (enter/leave)
- お疲れさまです (otsukare-sama desu) – Thanks for your hard work
- お世話になっております (osewa ni natte orimasu) – Thank you for your continued support (business)
Softening & hedging (very Japanese)
- ちょっと… (chotto…) – It’s a bit… (implied no)
- 一応 (ichiō) – Just in case / For the time being
- 念のため (nen no tame) – Just to be on the safe side
- 一応確認します (ichiō kakunin shimasu) – I’ll just confirm
- まあ (mā) – Well…
- なんとなく (nantonaku) – Somehow / Just kind of / Sort of
Asking & checking
- どういう意味ですか？(dō iu imi desuka) – What does that mean?
- どうしてですか？ (dōshite desuka)– Why?
- なぜですか？ (naze desuka) – Why? (more formal)
- 本当ですか？ (hontō desuka) – Really?
- 大丈夫ですか？ (daijōbu desuka) – Are you OK?
- いいですか？ (ii desuka) – Is that OK?
- 〜てもいいですか？ (demo ii desuka) – May I…?
- 〜たほうがいいです (ta hō ga ii desu) – You’d better… (= non-threatening)
Everyday practicality
- これでいいですか？ (kore de ii desuka) – Is this OK?
- それで大丈夫です (kore de daijōbu desu) – That’s fine
- 問題ありません (mondai arimasen) – No problem
- 無理です (muri desu) – That’s impossible / I can’t
- できません (dekimasen) – I can’t
- 行けません (ikemasen) – I can’t go
- 行きます (ikimasu) – I’ll go
Time & frequency (constantly used)
- 今 (ima) – Now
- さっき (sakki) – A moment ago
- あとで (ato de) – Later
- もう (mō) – Already / More
- まだ (mada) – Not yet
- いつも (itsumo) – Always
- ときどき (tokidoki) – Sometimes
- たいてい (taitei) – Usually
Casual conversational fillers (very natural)
- えっと (eito) – Um…
- あの (ano) – Um / Excuse me
- なんか (nanka) – Like / Kind of
- へえ (hei) – Oh really?
- そうなんだ (sō nan da) – Oh, I see (casual)
- まじで？ (maji de?) – Seriously?
Workplace staples
- 確認します (kakunin shimasu) – I’ll check
- 了解です (ryōkai desu) – Understood (casual business)
- 承知しました (shōchi shimashita) – Certainly (polite business)
- 検討します (kentō shimasu) – I’ll consider it
- 共有します (kyōyū shimasu) – I’ll share it
- 修正します (shūsei shimasu) – I’ll revise it
- 連絡します (renraku shimasu) – I’ll contact you
Subtle but powerful phrases
- 〜と思います (to omoimasu) – I think… (softens opinion)
- 〜かもしれません (kamo shiremasen) – It might be…
- 〜ような気がします (yō na ki ga shimasu) – I feel like…
- それはそうですが… – That may be true, but…
- 一理あります (ichiri arimasu) – That’s a fair point
Now let’s look at some confrontational expressions. Hopefully you won’t encounter them or have to use them, but they’re good to know.
Japanese confrontation is usually indirect, so overtly aggressive language stands out strongly. Tone matters more than vocabulary. Many of these can be playful among friends, but harsh in the wrong context.
Mild correction / firm disagreement
- ちがいます (chigaimasu) – That’s not correct (neutral)
- ちがうよ (chigau yo) – That’s wrong (casual, firm)
- それはちがう (sore wa chigau) – That’s not it
- いや、ちがう (iya, chigau) – No, that’s wrong
- そうじゃない (sō ja nai) – That’s not what I mean
- 違うって (chigau tte) – I said that’s wrong (irritated)
Adding ‘yo’ makes it assertive. Dropping politeness makes it confrontational.
Annoyance / irritation
- ちょっと！ (chotto!) – Hey! / Come on!
- はいはい！(hai hai) – Yeah yeah!
- 何それ？ (nani sore?) – What’s that supposed to mean?
- 何なの？ (nan nano?) – What is that? (irritated)
- うるさい (urusai) – You’re noisy / Shut up (can be harsh)
- うるせえ (urusei) – Shut up (rough masculine)
- しつこい (shitsukoi) – You’re persistent / Give it a rest
- いい加減にして (ii kagen ni shite) – Enough already
Calling someone foolish
These vary by region and severity.
- ばか (baka) – Idiot / Fool
(Common; can be playful or very insulting depending on tone.) - ばかじゃない？ (baka ja nai?) – Are you stupid?
- ばかみたい (baka mitai) – That’s stupid
- あほ (aho) – Fool / Idiot
(In Kansai often lighter than ばか; in Kantō can sound stronger.) - あほか (aho ka) – Are you an idiot? (Kansai-flavoured)
- 間抜け (manuke) – Idiot / Moron (stronger insult)
- ドジ (doji) – Clumsy idiot (often teasing)
Tone is everything. Among close friends, ‘baka’ can mean affection. In anger, it’s cutting.
Stronger insults
- 最低 (saitei) – You’re the worst
- 信じられない (shinjirarenai) – Unbelievable
- ありえない (arienai) – Impossible / No way (outraged tone)
- ふざけるな (fuzakeru na) – Don’t mess with me
- ざけんな (zakenna) – Don’t screw with me (very rough)
- なめるな (nameru na) – Don’t underestimate me
- 調子に乗るな (chōshi ni noru na) – Don’t get cocky
Direct anger
- やめろ (yamero) – Stop it (command; rough)
- やめて (yamete) – Stop (less harsh but still forceful)
- 放っておいて (hotte oite) – Leave me alone
- 出ていけ (dete ike) – Get out
- 消えろ (kiero) – Get lost (very harsh)
Rough masculine speech (often heard in dramas)
- てめえ (temei) – You (extremely rude)
- お前 (omae) – You (casual; can be aggressive depending on tone)
- 何だよ (nan da yo) – What the hell?
- うるせえな (urusei na) – Shut up, will you
These are strongly marked for gender and social positioning.
Passive-aggressive / socially cutting (very Japanese)
Often more powerful than shouting:
- そうなんですね… (sō nan desu ne…) (flat tone) – I see…
- へえ… (hei…) (dry) – Oh really…
- 別に (betsu ni) – Not really / Whatever
- 勝手にすれば (katte ni sureba) – Do what you want
- お好きにどうぞ (osuki ni dōzo) – Please yourself (icy polite)
When things escalate (genuinely aggressive)
- ふざけんなよ (fuzaken na yo) – Don’t screw with me
- 殴るぞ (naguru zo) – I’ll hit you
- 殺すぞ (korosu zo) – I’ll kill you
(Often used jokingly among friends, but literally a threat.)
Important cultural note
In Japan, raised voice + plain form is usually enough to signal anger. You don’t need strong vocabulary.
For example:
- ちがいます (chigaimasu) (neutral)
- ちがう (chigau) (firm)
- ちがうよ (chigau yo) (assertive)
- ちがうって！ (chigau te) (angry)
The escalation is grammatical and tonal, not lexical.
Also, overt confrontation is relatively rare in public settings. More common is:
- silence
- avoidance
- polite distancing
- extremely formal speech used coldly
That can be far more severe socially than shouting.
Etiquette
Japanese etiquette is mostly about spatial awareness, verbal cushioning, hierarchy, and not causing meiwaku (trouble/inconvenience). Here’s a practical, real-life list — the things that actually matter. Don’t worry about being perfect. Much is forgiven, and sincere effort counts for a lot.
Shoes, slippers, floors
- Shoes off at the genkan (entrance area) in homes, ryokan, temples, some clinics, some traditional restaurants.
- Step up into the house; don’t step barefoot into the lower genkan.
- Use toilet slippers only inside the toilet. Do not walk back into the house wearing them.
- Tatami: ideally no slippers; clean socks are expected.
- Align shoes roughly facing outward when leaving (not mandatory, but noticed).
Chopsticks (‘hashi’ etiquette)
Avoid:
- Sticking chopsticks upright into rice (resembles funeral incense ritual).
- Passing food chopstick-to-chopstick (also funeral-associated).
- Pointing with chopsticks.
- Spearing food.
- Rubbing disposable chopsticks together (implies cheap quality).
- Resting chopsticks across a bowl — use a hashioki (rest) if provided.
Less obvious:
- Lift bowls (rice, miso soup) toward your mouth.
- Don’t pour soy sauce directly onto rice.
- Don’t dig through shared dishes — take from the near side.
- Use the reverse ends of chopsticks for shared plates in formal settings.
Trains & public transport
- Keep your phone on silent (manner mode).
- Don’t take calls on crowded trains.
- Backpacks on your front in busy trains.
- Queue properly — stand to one side on escalators (region varies).
- Give priority seats to elderly, pregnant, disabled (even if they decline).
- Avoid loud conversation.
On packed trains: minimise physical spread — elbows in, bag close.
Politeness & speech etiquette
Japanese etiquette is heavily verbal.
- Use すみません ‘sumimasen’ (excuse me) frequently — to get attention, apologise, thank.
- Use 〜と思います ‘to omoimasu’ (I think) to soften opinions.
- Avoid blunt no. Prefer:
- ちょっと… ‘chotto’ (ahem)
- 難しいです ‘muzukashii desu’ (That’s difficult)
- 検討します ‘kentō shimasu’ (I’ll consider it)
- Don’t overuse first names unless invited.
- Family name + ‘san’ is the default safe form.
- Don’t call yourself ‘san’.
- Avoid direct confrontation in public.
Bathing etiquette (onsen / sentō)
- Wash and rinse thoroughly before entering the bath.
- Towels stay out of the bath water.
- No swimming.
- Hair tied up.
- Quiet atmosphere.
Tattoos are still restricted in some establishments.
Eating & drinking etiquette beyond chopsticks
- Say ‘itadakimasu’ (いただきます) before eating.
- Say ‘gochisōsama deshita’ (ごちそうさまでした) after finishing.
- Don’t start drinking before the toast. ‘kanpai’ (乾杯).
- Pour drinks for others before yourself in group settings.
- Slurping noodles is acceptable.
- Blowing your nose loudly at the table is not.
Physical space & body language
- Minimal physical contact in public.
- Bowing is contextual; foreigners are not expected to perfect it, but a small nod is appreciated.
- Avoid prolonged direct staring.
- Avoid exaggerated gestures in formal contexts.
Money handling
- Use the tray at the register — don’t hand cash directly unless necessary.
- Receive change with both hands in formal settings.
Trash & public cleanliness
- Carry your rubbish home if no bin is available.
- Separate waste properly (very localised rules).
- Don’t eat while walking in formal districts (varies by area).
Subtle but important: avoiding meiwaku (causing inconvenience)
This is the core concept.
Avoid:
- Blocking narrow spaces.
- Loud phone use.
- Being late without notice.
- Strong perfume in enclosed spaces.
- Public displays of anger.
Social harmony is prioritised over personal expression in shared spaces.
Things foreigners often overthink
- You don’t need perfect keigo in casual life.
- You won’t offend people by imperfect bowing.
- Regional variation exists (e.g. Kansai more verbally direct).
We hope these guidelines help. Let us know if you have any questions or experiences you’d like to share.
