Key takeaways
- Adverbs are formed from adjectives by changing the ending: i-adjectives drop い and add く (速い – 速く); na-adjectives add に (静か – 静かに).
- A large set of Japanese adverbs are standalone words not derived from adjectives: たぶん (probably), すぐ (right away), もう (already / not anymore), まだ (still / not yet).
- Two frequency adverbs require a negative verb: あまり (not much) and ぜんぜん (not at all). Using them with positive verbs is a common mistake.
- Japanese adverbs almost always appear directly before the word or phrase they modify, and position is more flexible than in European languages, an adverb can move to the front of the sentence for emphasis without sounding wrong.
Learners who can build Japanese sentences with verbs and adjectives often find that their speech sounds flat. The missing ingredient is usually adverbs. Without もっと (more), ゆっくり (slowly), よく (often/well), and the frequency words that modify how actions happen, descriptions stay surface-level and conversations are harder to sustain.
Adverbs are what make Japanese speech precise and natural.
This guide covers how adverbs are formed from adjectives, the most useful standalone adverbs organized by function, placement rules, and the two negation patterns that learners need to lock in early.
Knowing adverbs from a list and using them naturally in speech are different things, the gap closes through conversation practice where the adverb has to appear in real time.
italki has connected 10M+ learners with Japanese teachers since 2007, giving learners access to teachers who prompt adverb use naturally in sessions and correct placement when it goes wrong. Find a Japanese tutor and practice describing your daily routine using the frequency and manner adverbs in this guide.
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Forming adverbs from I-adjectives
Drop the final い and add く:
| I-adjective | Meaning | Adverb form | Meaning |
|---|---|---|---|
| 速い (hayai) | fast | 速く (hayaku) | quickly, fast |
| 大きい (ookii) | big | 大きく (ookiku) | largely, greatly |
| 早い (hayai) | early | 早く (hayaku) | early |
| 悪い (warui) | bad | 悪く (waruku) | badly |
| 強い (tsuyoi) | strong | 強く (tsuyoku) | strongly |
| 上手い (umai) | skilled | 上手く (umaku) | skillfully |
| 難しい (muzukashii) | difficult | 難しく (muzukashiku) | in a difficult way |
Special case: いい/よい (good) – よく (well, often). Not いく.
速く走る。 (Run fast.) もっと大きく書いてください。 (Please write larger.) 彼は上手く説明した。 (He explained it skillfully.)
Forming adverbs from na-adjectives
Add に to the plain adjective form:
| Na-adjective | Meaning | Adverb form | Meaning |
|---|---|---|---|
| 静か (shizuka) | quiet | 静かに (shizuka ni) | quietly |
| 親切 (shinsetsu) | kind | 親切に (shinsetsu ni) | kindly |
| 丁寧 (teinei) | polite, careful | 丁寧に (teinei ni) | politely, carefully |
| 上手 (jouzu) | skilled | 上手に (jouzu ni) | skillfully |
| 下手 (heta) | poor at | 下手に (heta ni) | poorly |
| 自由 (jiyuu) | free | 自由に (jiyuu ni) | freely |
| 簡単 (kantan) | simple, easy | 簡単に (kantan ni) | simply, easily |
| 正確 (seikaku) | accurate | 正確に (seikaku ni) | accurately |
静かに話してください。 (Please speak quietly.) 丁寧に書く。 (Write carefully.) このことを簡単に説明します。 (I will explain this simply.)
A Japanese teacher online can show how these adverbs appear in natural speech, the rhythm of teinei ni in a polite request, the natural position of shizuka ni in different sentence types, which reading a list cannot demonstrate. italki has 30,000+ teachers across 150+ languages, including qualified Japanese teachers who build grammar into conversation from the first lesson.
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Frequency adverbs
These adverbs describe how often something happens. They typically appear before the verb.
| Adverb | Reading | Meaning | Example |
|---|---|---|---|
| いつも | itsumo | always | いつも早く起きる (always wake up early) |
| よく | yoku | often, well | よく映画を見る (often watch films) |
| たいてい | taitei | usually | たいてい家で食べる (usually eat at home) |
| ときどき | tokidoki | sometimes | ときどき運動する (sometimes exercise) |
| たまに | tama ni | occasionally, rarely | たまに外食する (occasionally eat out) |
| めったに | metta ni | rarely (with negative) | めったに怒らない (rarely get angry) |
| あまり | amari | not much (with negative) | あまり食べない (don’t eat much) |
| ぜんぜん | zenzen | not at all (with negative) | ぜんぜんわからない (don’t understand at all) |
Note on position: Frequency adverbs often appear at the beginning of the sentence or just before the verb. Both positions are natural: ときどき映画を見ます and 映画をときどき見ます are both correct.
Degree adverbs
These modify the intensity of adjectives or verbs.
| Adverb | Reading | Meaning | Usage |
|---|---|---|---|
| とても | totemo | very | とても難しい (very difficult) |
| すごく | sugoku | very, incredibly (casual) | すごく嬉しい (incredibly happy) |
| かなり | kanari | quite, considerably | かなり高い (quite expensive) |
| ちょっと | chotto | a little, slightly | ちょっと寒い (a bit cold) |
| すこし | sukoshi | a little (slightly more formal than chotto) | すこし疲れた (a little tired) |
| もっと | motto | more | もっと練習する (practice more) |
| あまり | amari | not very (with negative) | あまり好きじゃない (don’t like much) |
| とても | totemo | (not used with negative, use あまり or ぜんぜん instead) |
この問題はかなり難しいです。 (This problem is quite difficult.) もっとゆっくり話してください。 (Please speak more slowly.) ちょっと待ってください。 (Please wait a moment.)
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Manner adverbs
These describe how an action is performed. Many are mimetic (onomatopoeic-based) words unique to Japanese.
| Adverb | Reading | Meaning |
|---|---|---|
| ゆっくり | yukkuri | slowly, at a leisurely pace |
| はっきり | hakkiri | clearly, distinctly |
| しっかり | shikkari | firmly, properly, reliably |
| ちゃんと | chanto | properly, correctly |
| きちんと | kichinto | neatly, in order |
| そっと | sotto | gently, softly, quietly |
| じっくり | jikkuri | carefully and thoroughly (taking time) |
| どんどん | dondon | rapidly, one after another |
| だんだん | dandan | gradually |
| まったく | mattaku | completely, utterly (often with negative) |
ゆっくり話してください。 (Please speak slowly.), one of the most useful phrases for learners. しっかり食べてね。 (Make sure to eat properly.) だんだん上手になってきました。 (I’ve been gradually getting better.)
Time adverbs: もう and まだ
These two are among the most important Japanese adverbs, and they shift meaning depending on whether the sentence is positive or negative.
| Adverb | Positive sentence | Negative sentence |
|---|---|---|
| もう (mou) | already (action is done) | not anymore (action has stopped) |
| まだ (mada) | still (action continues) | not yet (action has not happened) |
もう examples: もう食べました。 (I already ate.) もう食べません。 (I won’t eat anymore.)
まだ examples: まだ食べています。 (I am still eating.) まだ食べていません。 (I haven’t eaten yet.)
The combination that trips up learners: まだ + negative does NOT mean “still not” in an English sentence-structure sense. It means not yet. The logic is: the action has not started/completed yet.
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Adverbs that require a negative verb
Two frequency and degree adverbs are paired only with negative verb forms. Using them with positive verbs is a significant grammar error.
あまり (amari, not much / not very):
- Correct: あまり食べない。 (Don’t eat much.)
- Wrong: あまり食べる。
ぜんぜん (zenzen, not at all):
- Correct: ぜんぜんわからない。 (Don’t understand at all.)
- Wrong: ぜんぜんわかる。
Note: zenzen is increasingly used with positive verbs in casual youth speech to mean “totally/completely” (ぜんぜん大丈夫 = totally fine). This is informal and non-standard; in formal writing and polite speech, keep zenzen with negatives.
めったに (metta ni, rarely) is similarly paired with negative verbs: めったに行かない。 (Rarely go.) Never めったに行く.
Sentence placement
Japanese adverbs are flexible but follow general tendencies:
- Degree and manner adverbs appear immediately before the word they modify: とても難しい, ゆっくり話す
- Frequency adverbs appear at the sentence start or before the verb: いつも朝食を食べます or 朝食をいつも食べます
- Sentence adverbs (たぶん, もしかしたら) appear at the very beginning: たぶん来ない (probably won’t come)
- Time adverbs (もう, まだ) appear before the verb or at the start for emphasis
Moving an adverb to the front of the sentence for emphasis is natural and does not create an error in Japanese the way it might in English.
Book a trial lesson and describe your typical week using frequency adverbs (いつも, ときどき, あまり~ない) and manner adverbs (ゆっくり, しっかり). Adverbs become automatic when they are needed in real-time description, not when they are studied from a chart.
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FAQ
How do you form the adverb from an i-adjective?
Drop the final い and add く: 速い (hayai, fast) – 速く (hayaku, quickly). The special case is いい/よい (good) – よく, not いく.
What is the difference between ちょっと and すこし?
Both mean a little or slightly. Chotto is more casual and appears more often in speech. Sukoshi is slightly more formal and appears in writing as well as speech. In casual conversation, chotto is more common; in polite or written contexts, sukoshi is more appropriate.
Why can’t I use ぜんぜん with a positive verb?
In standard Japanese, zenzen means not at all, and its grammar requires a negative verb ending (~ない). Using it with a positive verb is non-standard. The casual positive use (zenzen ii = totally fine) exists in informal speech among younger speakers, but using it in formal or semi-formal contexts will sound incorrect.
What does よく mean, well or often?
Both. よく is ambiguous out of context. よく食べる (eat well) and よく食べる (eat often) are differentiated by context and emphasis. In practice, よく as often is probably more common, but the well meaning appears in よくできました (well done) and よくわかります (I understand well).
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