Meaning
Used to express agreement or confirmation without hesitation.
Cultural Background
In business, 'Mochiron' is often replaced by 'Shouchi itashimashita' to sound more professional, but 'Mochiron' is used when you want to show personal enthusiasm for a project. Younger generations use 'もち' (mochi) as a cute abbreviation. It's often paired with stamps of mochi rice cakes on LINE. In the service industry, staff use 'Mochiron' to make guests feel that their requests are not a burden, but a natural part of the service. Because Japan is a high-context society, 'Mochiron' helps confirm that both parties are 'reading the air' correctly and are on the same page.
The 'Desu' Rule
Always add 'desu' when talking to someone you don't know well. 'Mochiron' alone is strictly for friends.
Not for 'Thank You'
Remember: never use 'Mochiron' to respond to 'Arigato.' It sounds like you're bragging about your help.
Meaning
Used to express agreement or confirmation without hesitation.
The 'Desu' Rule
Always add 'desu' when talking to someone you don't know well. 'Mochiron' alone is strictly for friends.
Not for 'Thank You'
Remember: never use 'Mochiron' to respond to 'Arigato.' It sounds like you're bragging about your help.
The 'Mochi' Slang
Use 'Mochi' in text messages to sound like a native Gen-Z speaker. It's very trendy!
Read the Air
If someone asks a question where the answer is sensitive, 'Mochiron' might be too strong. Use 'Sou desu ne' to be more indirect.
Test Yourself
Fill in the blank to say 'Of course, I'm going!'
「パーティーに{来|く}ますか？」「（ ）、{行|い}きます！」
もちろん is the correct choice for 'of course.'
Which response is the most polite for a business setting?
「この{仕事|しごと}を{手伝|てつだ}っていただけますか？」
'De gozaimasu' is the most formal and respectful ending.
Complete the dialogue using the 'A wa mochiron B mo' pattern.
A: {彼|かれ}は{料理|りょうり}が{上手|じょうず}ですね。 B: ええ、（ ）はもちろん、{掃除|そうじ}も{得意|とくい}ですよ。
The pattern repeats the first skill to emphasize that it's obvious, then adds a second one.
Match the situation to the best use of 'Mochiron'.
You want to tell someone that studying is obviously important for students.
This correctly uses 'mochiron' to state a self-evident truth.
🎉 Score: /4
Visual Learning Aids
Practice Bank
4 exercises「パーティーに{来|く}ますか？」「（ ）、{行|い}きます！」
もちろん is the correct choice for 'of course.'
「この{仕事|しごと}を{手伝|てつだ}っていただけますか？」
'De gozaimasu' is the most formal and respectful ending.
A: {彼|かれ}は{料理|りょうり}が{上手|じょうず}ですね。 B: ええ、（ ）はもちろん、{掃除|そうじ}も{得意|とくい}ですよ。
The pattern repeats the first skill to emphasize that it's obvious, then adds a second one.
You want to tell someone that studying is obviously important for students.
This correctly uses 'mochiron' to state a self-evident truth.
🎉 Score: /4
Frequently Asked Questions
14 questionsYes, but use 'Mochiron desu' or 'Mochiron de gozaimasu' to show respect.
Yes, 'Mochiron' is much more common in daily conversation as it is more polite and positive.
Yes, for example: 'Mochiron, it will rain tomorrow' (もちろん、明日は雨でしょう).
It is {勿論|もちろん}, but it is almost always written in hiragana.
Only if you say it very loudly or with a flat tone. Usually, it sounds very friendly.
Yes, that is a more formal way to say 'as a matter of course.'
Yes, it is gender-neutral slang, though slightly more common among young women.
You say 'Mochiron, [negative verb].' For example: 'Mochiron, ikimasen' (Of course I'm not going).
The 'da' adds a masculine, assertive punch to the phrase, often heard in anime.
Yes, but always use 'Mochiron desu.'
No, it implies total certainty. If you're unsure, use 'Tabun' (maybe).
'Mochiron' is social/emotional; 'Touzen' is logical/formal.
Usually, it comes at the beginning or stands alone.
You can say 'Tondemo gozaimasu' to strongly deny something politely.
Related Phrases
{当たり前|あたりまえ}
similarNatural, obvious, or a matter of course.
{当然|とうぜん}
similarNaturally, as a matter of fact.
{是非|ぜひ}
builds onBy all means / certainly.
{承知|しょうち}いたしました
specialized formI have understood / Certainly (Business).
{言|い}うまでもなく
similarNeedless to say.
{間違|まちが}いない
similarNo mistake / For sure.
