Every Utterance Has a Social Setting
In Japanese, you don’t just choose what to say—you choose from where you’re speaking socially. Age, job, familiarity, and even who benefits from an action all shape the grammar.
From childhood, speakers learn that the person "lower" in a situation should use more polite forms, while the higher-status person may speak more plainly. Strangers almost automatically address each other politely.
Three Layers of Respect
Japanese politeness rests on three interlocking systems:
- Teineigo (丁寧語) – polite language, mainly verb endings like -masu and desu.
- Sonkeigo (尊敬語) – honorific language, elevating the listener or a respected third party.
- Kenjōgo (謙譲語) – humble language, lowering oneself or one’s in‑group.
Take the simple verb "to go":
- Plain: iku
- Polite: ikimasu
- Honorific: irassharu (when a superior goes)
- Humble: ukagau or mairu (when you go to someone higher up)
The physical act is the same; the grammar describes the social direction.
In‑Group vs. Out‑Group: The Uchi–Soto Lens
A key distinction is between uchi (your in‑group: family, company) and soto (outsiders). Humble forms describe actions of your in‑group when speaking to someone outside; honorific forms describe outsiders or superiors.
Even the respectful suffix -san reflects this. You attach it to others, but not to yourself, and not when presenting your own boss to a client—because from the client’s perspective, your boss belongs to your in‑group.
Polite Prefixes: o‑ and go‑
Many nouns become more deferential with a simple prefix:
- o- for native words (often)
- go- for Sino-Japanese words
Water, mizu, can become o-mizu in polite speech. Tomodachi (friend) becomes o-tomodachi when referring to someone else’s friend, signaling respect either for the person addressed or for the relationship.
Some of these forms have become so common they’re now neutral, such as gohan (literally "honorable rice; meal").
Politeness and Identity
Choice of self-reference—watashi, watakushi, boku, ore—and of sentence-ending particles further encodes gender, intimacy, and attitude. Men and women often gravitate toward different pronouns and particles in casual speech, though polite forms like watashi are widely shared in formal contexts.
The Takeaway
Where English might add "please" or change tone of voice, Japanese often rewires the sentence itself. Who you are, who you’re talking to, and whose side you’re on become not just subtext, but grammar. To speak Japanese well is to navigate this shifting social terrain with every verb you conjugate.