LESSON NOTES · レッスンノート

N4Talking to real people · Sep 17, 2026

Japanese personality adjectives: how to describe someone without insulting them

性格せいかく (せいかく) is the word for personality, and the adjectives that describe it split into three groups: safe compliments (やさしい, あかるい), words that sound positive and carry an edge (真面目まじめ, おとなしい), and words that are simply negative. The middle group is the one that matters, because those are the ones learners deploy as compliments and land somewhere else entirely.

Describing people is a conversation you will have constantly — about friends, colleagues, family, and characters in whatever you are watching. The grammar is trivial; the social calibration is not.

The basics

The safe compliments

Japanese Reading Meaning
やさしい やさしい kind, gentle
あかるい あかるい cheerful, sunny
面白おもしろ おもしろい funny, interesting
親切しんせつ しんせつ helpful, considerate
素直すなお すなお honest, straightforward, unguarded
たよりになる たよりになる dependable
努力家どりょくか どりょくか a hard worker

やさしいひとですね。 — They're a kind person, aren't they. (polite — the safest compliment in the language) あかるくてはなしやすいです。 — She's cheerful and easy to talk to. (polite)

やさしい is the default positive word for a person and is almost impossible to misuse. If you only learn one, learn that one.

素直すなお is worth a note: it describes someone who takes things at face value and does not posture. It is a genuine compliment in Japanese, warmer than the English "honest," and it is often used about children and about people who accept advice well.

The words with an edge

These are the ones that get learners into trouble.

  • 真面目まじめ (まじめ) — serious, diligent. A compliment at work, and mildly "no fun" socially.
  • おとなしい — quiet, docile. Neutral-to-positive about children, and faintly limiting about an adult.
  • プライドがたか — proud. Almost always a criticism in Japanese, unlike English "proud."
  • こだわりがつよ — particular, uncompromising. Positive about a craftsperson, difficult about a colleague.
  • 天然てんねん (てんねん) — endearingly scatterbrained. Affectionate between friends, patronizing from a stranger.

真面目まじめひとです。 — He's a serious, diligent person. (polite — praise in a work context) 真面目まじめすぎるかも。 — Maybe a bit too serious. (casual — now it's a criticism)

The edge usually comes from context rather than the word, which is why すぎる and ちょっと do so much work in this area. ちょっと真面目まじめすぎる is a complete, socially legible criticism made entirely out of hedges.

The clearly negative ones

Japanese Reading Meaning
わがまま わがまま selfish, demanding
つめたい つめたい cold, unfeeling
短気たんき たんき quick-tempered
いい加減かげん いいかげん sloppy, irresponsible
面倒めんどうくさがり めんどうくさがり someone who can't be bothered

These are the words to recognize rather than produce. Saying any of them about a person present is a serious move; saying them about someone absent is gossip, which has its own rules.

Beyond the basics

性格せいかく and how to build a sentence

性格せいかくがいいです。 — They have a good personality. (polite — very common) あかるい性格せいかくです。 — They have a cheerful personality. (polite)

性格せいかくがいい is a stock phrase and much more common in Japanese than "has a good personality" is in English. It is genuine praise, not faint praise.

Note the two shapes: adjective + 性格せいかく (あかるい性格せいかく) or 性格せいかくが + adjective (性格せいかくあかるい). Both are natural, and the first is slightly more descriptive, the second slightly more evaluative.

You cannot state another person's feelings directly

This is the grammar point hiding inside this vocabulary. Japanese does not let you assert what someone else feels as a fact.

彼女かのじょうれしいです。(odd — you are claiming direct access to her feelings) 彼女かのじょうれしそうです。 — She looks happy. (polite — an inference) 彼女かのじょうれしがっています。 — She's showing that she's happy. (polite — observed behaviour)

〜そう infers from appearance; 〜がる describes observable behaviour. Personality adjectives mostly escape this because a personality is a lasting attribute rather than a current feeling — 彼女かのじょやさしいです is fine. But the moment you switch to an emotion, the rule bites. See ほしい vs たい for the version of this that catches everyone first.

地味じみ and 派手はで: plain and flashy

地味じみひとです。 — They're an unshowy person. (polite — can be neutral or slightly dismissive) 派手はでひとです。 — They're a flashy person. (polite — usually about style, often mildly critical)

地味じみ (じみ) and 派手はで (はで) describe presentation rather than character, and both can be compliments or criticisms depending on delivery. 地味じみだけどいいみせ ("an unassuming but good shop") is warm; 地味じみひと about a colleague is not.

Softening any of it

The standard move is to hedge the adjective rather than choose a softer word.

ちょっと真面目まじめすぎるかもしれません。 — He might be a little too serious. (polite — three layers of hedging)

ちょっと, 〜すぎる and かもしれません stack, and stacking them is normal rather than excessive. A flat criticism with no hedges reads as unusually harsh, which is a calibration worth getting right before you try to give honest feedback in Japanese.

Asking about someone's personality

どんなひとですか。 — What are they like? (polite — the standard question) 性格せいかくはどうですか。 — What's their personality like? (polite — more specific)

どんなひとですか is the one you want. It is open, it is polite, and the answer will tell you which adjectives that particular speaker considers worth mentioning — which is its own kind of information.

Common mistakes

  • Using 真面目まじめ as an unqualified compliment. At work it is praise. Socially it can read as "no fun."
  • Translating "proud" as プライドがたかい. In Japanese that is a criticism. For "proud of," use ほこりにおもう.
  • Stating another person's emotion directly. かれかなしいです claims access you do not have. Use かなしそう or かなしがっている.
  • Using おとなしい about an adult as praise. It is not an insult, but it is faintly limiting. 落ち着おちついている ("calm, composed") is the compliment you probably meant.
  • Using 地味じみ about a person casually. About a shop or a design it is often warm. About a person it can sting.
  • Criticizing without hedges. ちょっと and かもしれません are not optional padding; their absence is itself a message.

Sorted by how safe it is to say

Word Reading Safe to say to their face?
やさしい やさしい Yes — the safest compliment there is
あかるい あかるい Yes
親切しんせつ しんせつ Yes
素直すなお すなお Yes, warm
努力家どりょくか どりょくか Yes
真面目まじめ まじめ At work yes; socially, depends
おとなしい おとなしい About children yes; about adults, careful
天然てんねん てんねん Between friends only
地味じみ じみ About things yes; about people, careful
プライドがたか プライドがたかい No — this is a criticism
わがまま わがまま No
つめたい つめたい No

Practice

Questions 3 and 4 are the pair: a personality trait and a current emotion behave differently.

1. Pay someone the safest possible compliment about their character.

Show answer

やさしいひとですね。やさしい is almost impossible to misuse. If you learn one word from this page, learn this one.

2. Say "she's cheerful and easy to talk to," politely.

Show answer

あかるくてはなしやすいです。あかるい connects with the て-form, and 〜やすい does the rest.

3. Say "she is kind" as a statement of character.

Show answer

彼女かのじょやさしいです。 — Fine, because a personality is a lasting attribute rather than a current feeling.

4. Now say "she looks happy" — a current emotion.

Show answer

彼女かのじょうれしそうです。彼女かのじょうれしいです claims direct access to her feelings. Use そう or がる.

5. Praise a colleague's diligence at work.

Show answer

真面目まじめひとです。 — Praise in a work context. Said socially, it can imply "no fun."

6. Criticize the same person gently: "maybe a bit too serious."

Show answer

ちょっと真面目まじめすぎるかもしれません。 — ちょっと, すぎる and かもしれません stack. This is normal, not excessive.

7. Ask what someone is like.

Show answer

どんなひとですか。 — Open, polite, and the answer tells you what that speaker thinks is worth mentioning.

8. Say "they have a good personality," politely.

Show answer

性格せいかくがいいです。 — A stock phrase, and genuine praise rather than faint praise.

9. Fix this: かれはプライドがたかひとですね。(intended as a compliment)

Show answer

かれ自分じぶん仕事しごとほこりをっています。 — プライドがたかい is a criticism in Japanese. For "proud of," use ほこり.

10. You want to compliment an adult for being calm. Which word, and which one to avoid?

Show answer

落ち着おちついている(○)/おとなしい(△) — おとなしい is not an insult, but about an adult it is faintly limiting.

FAQ

Is やさしい really that safe? Yes. It covers kind, gentle, considerate and easy-going, and it is the default positive word for a person. It is also the word Japanese speakers reach for first when asked what they like about someone.

Why is プライドがたかい negative? Because it describes someone protecting their own status rather than doing good work. English "proud" splits into ほこり (a positive pride in something) and プライド (self-regard), and the loanword took the less flattering half.

What is 天然てんねん exactly? Someone charmingly oblivious — the person who misses the obvious in an endearing way. It is affectionate between friends and condescending from a stranger, so it is safest to recognize rather than use.

Can I describe anime characters with these? Yes, and it is good practice, because character types have names people agree on. ツンデレ and 天然てんねん are both character-description vocabulary that doubles as real-life vocabulary.

How do I say someone is smart? あたまがいい ("clever") is the everyday one. かしこい (かしこい) is warmer and often used about children and animals. 優秀ゆうしゅう (ゆうしゅう) is formal and about performance rather than character.

What if I need to give honest negative feedback? Hedge it, name the behaviour rather than the person, and put it in the past or the conditional. ちょっといそぎすぎたかもしれませんね ("maybe we rushed that a bit") criticizes an action without describing anyone's character, which is the safer frame.

Vocabulary from this article

Tap the block to select all of it, then copy. In Anki: File → Import, note type Basic, separator Tab — the first column becomes the front, the second the back.

性格	せいかく — personality
優しい	やさしい — kind, gentle
明るい	あかるい — cheerful
親切	しんせつ — helpful, considerate
素直	すなお — honest, unguarded
努力家	どりょくか — a hard worker
真面目	まじめ — serious, diligent
おとなしい	おとなしい — quiet, docile
落ち着く	おちつく — to be calm, composed
天然	てんねん — charmingly oblivious
地味	じみ — plain, unshowy
派手	はで — flashy
わがまま	わがまま — selfish
冷たい	つめたい — cold, unfeeling
短気	たんき — quick-tempered
誇り	ほこり — pride (positive)
頭がいい	あたまがいい — clever
賢い	かしこい — wise, bright

I'm Yuuki, a Japanese teacher based in Tokyo. I've taught on italki as a Top 1% teacher and watched over 1,500 anime. 真面目まじめ is the one worth slowing down on — it is taught as a straightforward compliment, and whether it lands as one depends entirely on whether you are in an office.

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Sources: the author's own lessons and standard reference grammars.

More drills like the ones above, plus a timed JLPT-style mock test: Practice · N4

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