A2 adjective #200 mais comum 5 min de leitura

いい/良い

This word means something is good, nice, or fine. It's a very common and useful adjective!

ii/yoi

Explanation at your level:

Hello! The word いい (ii) is like saying 'good' or 'nice' in English. It's a very happy word! You can use it to say something is good, like いいおもちゃ (ii omocha) - a good toy. Or you can say the weather is good: いい天気 (ii tenki). If you like something, you can say いいです (ii desu) - 'It's good' or 'It's okay'. It's a simple word that makes things sound positive!

The Japanese adjective いい (ii) or 良い (yoi) means 'good', 'nice', or 'fine'. It's used very often to describe things positively. For example, いい人 (ii hito) means 'a good person'. You can also use it to express that something is suitable or acceptable, like これでいいですか? (Kore de ii desu ka?) - 'Is this okay?'. The past tense form, よかった (yokatta), is super common and means 'That was good!' or 'I'm glad!' often used to express relief.

いい (ii) and 良い (yoi) are fundamental adjectives in Japanese, translating to 'good', 'nice', 'fine', or 'pleasant'. They are used broadly to evaluate quality, suitability, or express positive feelings. For instance, いい考え (ii kangae) means 'a good idea'. In spoken Japanese, いい is more common, while 良い might appear in writing or more formal speech. The expression よかった (yokatta) is frequently used to convey relief or satisfaction, similar to 'Thank goodness!' in English.

The adjective いい/良い (ii/yoi) signifies a positive quality, desirability, or approval. While its core meaning is 'good', its usage extends to nuances like 'suitable', 'pleasant', or 'fine'. In casual settings, いい is prevalent, often used in phrases like いいですね (ii desu ne - 'That's nice!'). The formal written form 良い appears in compounds like 良い関係 (yoi kankei - 'good relationship'). Pay attention to its irregular conjugation, particularly the adverbial form よく (yoku), as in よくできました (yoku dekimashita - 'Well done!').

いい/良い (ii/yoi) serves as a versatile positive descriptor, encompassing meanings from high quality ('excellent') to mere acceptability ('fine'). Its prevalence in spoken Japanese contrasts with the more formal or literary use of 良い. The adverbial form よく (yoku) is crucial, appearing in expressions like よく知っている (yoku shitte iru - 'know well'). The past tense よかった (yokatta) has evolved beyond simple past tense, often functioning as an interjection expressing relief or gratitude, e.g., 合格してよかった (Gōkaku shite yokatta - 'I'm glad I passed').

The adjective いい/良い (ii/yoi) represents a foundational concept of positive evaluation in Japanese. Its semantic range is broad, from inherent quality (良い品物 - yoi shinamono - 'good quality item') to subjective preference (この味が一番いい - kono aji ga ichiban ii - 'This flavor is the best'). The historical evolution from よし (yoshi) and the distinct usage patterns of いい versus 良い highlight linguistic shifts. The idiomatic use of いい加減 (ii kagen), oscillating between moderation and irresponsibility, showcases semantic flexibility. Mastery involves recognizing its nuanced application across registers, from casual exclamations like いいじゃん! (ii jan! - 'Cool!') to formal contexts.

Palavra em 30 segundos

  • いい/良い means 'good', 'nice', 'fine'.
  • It's one of the most common adjectives in Japanese.
  • いい is casual, 良い is more formal.
  • Key forms include よかった (relief) and よく (adverb: well).

Hey there! Let's dive into the super useful Japanese word いい (ii) and its more formal written form, 良い (yoi). These words are your go-to for describing anything positive! Think of them as the Swiss Army knife of Japanese adjectives, fitting into countless situations. They can mean 'good', 'nice', 'fine', 'great', 'pleasant', 'suitable', and even 'well' depending on the context. It's one of the first words you'll learn, and for good reason – you'll be using it all the time!

When you want to say something is of high quality, you can use いい/良い. For instance, いい本 (ii hon) means a 'good book'. If you're feeling content or satisfied, you might say これでいい (kore de ii), meaning 'this is fine' or 'this is good enough'. It’s also used to express agreement or approval, like saying 'Okay!' or 'Sounds good!' in English. So, whether you're praising a delicious meal, a beautiful day, or a kind action, いい/良い has got your back!

The word いい (ii) has a fascinating, albeit slightly debated, origin. One prominent theory suggests it evolved from the older form よし (yoshi), which itself comes from the verb 良し (yoshi), meaning 'to be good' or 'to be excellent'. Over time, よし might have softened and become いい, perhaps through a natural phonetic shift or a more colloquial usage.

The kanji character (ryō, yoi, ii) has been used for centuries to denote goodness, excellence, and virtue. Its components are thought to represent wheat (represented by 莨) growing on top of a mouth (represented by 口), symbolizing something plentiful and desirable – hence, good. The character's ancient roots point to a long-standing concept of 'goodness' in East Asian cultures.

Interestingly, while いい is the more common spoken form, 良い (yoi) is often preferred in formal writing and certain set phrases, like 良いお年を (yoi otoshi o - Happy New Year). This duality adds a layer of nuance to the word, reflecting how language evolves between spoken and written forms, casual and formal registers.

いい (ii) and 良い (yoi) are incredibly versatile. In casual conversation, いい is king. You'll hear it everywhere! For example, いいですね! (ii desu ne!) is a common way to say 'That's nice!' or 'Sounds good!'. When asking if something is okay, you can use いいですか? (ii desu ka?), meaning 'Is this okay?'.

The kanji 良い (yoi) often appears in more formal contexts or set expressions. You might see it in written notices or hear it in slightly more polite speech. For instance, 良い成績 (yoi seiseki) means 'good grades', and 良い習慣 (yoi shūkan) means 'good habit'. Remember, while interchangeable in meaning, the choice between いい and 良い can subtly affect the tone.

Here are some common word combinations (collocations):

  • いい天気 (ii tenki): Good weather
  • いい人 (ii hito): Good person
  • いい加減 (ii kagen): Varies; can mean 'reasonable', 'careless', or 'fed up' depending on context!
  • いい感じ (ii kanji): Good feeling / Nice vibe
  • いい加減にして! (ii kagen ni shite!): Stop it! / That's enough! (Often annoyed)

Think of いい as your everyday, friendly 'good', and 良い as its slightly more polished cousin, often found in writing or more formal speech.

Our word いい/良い pops up in some really colorful expressions! Let's explore a few:

  • いい加減 (ii kagen): This one's tricky! It can mean 'reasonable' or 'moderate' when used positively, like いい加減なところでやめなさい (ii kagen na tokoro de yamenasai - Stop at a reasonable point). However, it often carries a negative connotation, meaning 'careless', 'half-hearted', or 'irresponsible'. For example, いい加減な仕事 (ii kagen na shigoto) is sloppy work.
  • いい加減にしろ! (ii kagen ni shiro!): This is a strong expression used when you're fed up. It translates to 'Enough is enough!', 'Cut it out!', or 'Stop messing around!'. It's quite informal and often said with annoyance.
  • いい年をして (ii toshi o shite): Literally 'being a good age', this phrase is used ironically to criticize someone (usually an adult) for behaving immaturely. For example, いい年をして泣いてばかりいる (ii toshi o shite naite bakari iru) means 'Crying all the time, even though you're grown up now'.
  • いい夢を見る (ii yume o miru): This means 'to have a good dream'. It's a straightforward and pleasant expression, often said before sleeping.
  • いいじゃないか (ii ja nai ka): A casual way of saying 'Isn't it good?', 'Why not?', or 'That's fine!'. It often expresses agreement or encouragement.

These idioms show how いい/良い can extend beyond its basic meaning to convey a range of emotions and situations!

Let's break down the grammar and sound of いい/良い. As an adjective, it modifies nouns. It's a Type 1 or 'i'-adjective, though its conjugation is a bit irregular, especially when changing to its adverbial form or negative form.

Pronunciation:

  • いい (ii): Pronounced like the English word 'ee' but held slightly longer. Think of the sound in 'see'.
  • 良い (yoi): The 'yo' sounds like the 'yo' in 'yoghurt', and the 'i' is like the 'ee' in 'see'.

IPA (International Phonetic Alphabet):

  • いい (ii): /iː/
  • 良い (yoi): /jo̞i/

Common Conjugations & Forms:

  • Negative: いいじゃない (ii ja nai) / 良くない (yoku nai) - Not good
  • Adverbial: よく (yoku) - Well (e.g., よくできました - yoku dekimashita - Well done!)
  • Past Tense: よかった (yokatta) - Was good (This is a very common expression of relief or happiness, e.g., よかった! - Yokatta! - Thank goodness! / That's a relief!)

Rhyming Words: While いい doesn't have many perfect rhymes due to its simple vowel sound, words ending in '-i' can sometimes sound similar in flow, like おいしい (oishii) - delicious, or ほしい (hoshii) - wanted.

Stress Patterns: Japanese is a pitch-accent language, not stress-accent. For いい, the pitch is generally level. For 良い (yoi), the pitch typically starts low and rises on the 'yo' and then falls slightly on the 'i', like yoꜜi.

Fun Fact

The common spoken form いい (ii) is thought to be a phonetic softening or evolution from an older form like よし (yoshi).

Pronunciation Guide

UK /iː/

Sounds like the 'ee' in 'see', but held slightly longer.

US /i/

Similar to the 'ee' in 'see'.

Common Errors

  • Not holding the 'ii' sound long enough.
  • Pronouncing 'yoi' as 'yoy'.
  • Confusing the pitch accent with English stress.

Rhymes With

おいしい (oishii) ほしい (hoshii) うれしい (ureshii) たのしい (tanoshii) すばらしい (subarashii)

Difficulty Rating

Leitura 1/5

easy

Writing 2/5

easy/intermediate

Speaking 1/5

easy

Audição 1/5

easy

What to Learn Next

Prerequisites

です (desu) は (wa) が (ga) の (no)

Learn Next

悪い (warui) たくさん (takusan) 少し (sukoshi)

Avançado

秀逸 (shūitsu) 卓越 (takuetsu) 円満 (enman)

Grammar to Know

i-Adjective Conjugation

いい is irregular, but follows patterns similar to other i-adjectives.

Adverbial Forms

いい becomes よく.

Asking for Permission

Verb-て + いいですか?

Examples by Level

1

これは いい ペン です。

This is good pen is.

いい modifies the noun ペン (pen).

2

いい てんき です ね。

Good weather is ne.

ね (ne) is a sentence-ending particle seeking agreement.

3

ありがとう。 いい です。

Thank you. Good is.

いいです can mean 'It's fine' or 'Okay'.

4

いい おとこ です。

Good man is.

いい can describe people positively.

5

いい りんご ですか?

Good apple is?

いい can be used in questions.

6

いい えいが でした。

Good movie was.

いいです in past tense is よかった.

7

いい です よ。

Good is yo.

よ (yo) is a sentence-ending particle adding emphasis.

8

いい かみ です。

Good paper is.

いい describes the quality of the paper.

1

この レストラン は いい です ね。

This restaurant topic good is ne.

Topic marker は (wa) is used.

2

いい じかん を すごしました。

Good time spent.

すごしました is the past tense of すごす (to spend time).

3

もっと いい もの が ほしい です。

More good thing subject want is.

もの (mono) means 'thing'.

4

それは いい かんがえ です。

That good idea is.

かんがえ (kangae) means 'idea'.

5

きょう は いい てんき です。

Today topic good weather is.

きょう (kyō) means 'today'.

6

いい ひと に あえて よかった です。

Good person meet because glad is.

The structure ~て よかった (te yokatta) means 'I'm glad that...'

7

この じしょ は いい です。

This dictionary topic good is.

いい describes the usefulness of the dictionary.

8

いい かげん に しなさい!

Enough is do not do!

いいかげんにしなさい is a command to stop.

1

この サービス は とても いい です。

This service topic very good is.

とても (totemo) means 'very'.

2

いい きかい だと おもいます。

Good opportunity is think.

きかい (kikai) means 'opportunity'.

3

それは いい かんがえ ですね。

That good idea is ne.

ね (ne) seeks confirmation or agreement.

4

いい けいけん に なりました。

Good experience became.

~になる (ni naru) means 'to become'.

5

いい ひと たち に あえて よかった。

Good people meet because glad.

The plain form よかった is used in less formal speech.

6

いい かげん な りゆう で は ゆるされません。

Careless reason particle not forgiven.

いいかげん here means 'careless' or 'unconvincing'.

7

この じむしょ は いい ばしょ に あります。

This office topic good place in is located.

ばしょ (basho) means 'place'.

8

いい ゆめ を みて ください。

Good dream see please.

みてください (mite kudasai) is a polite request.

1

この 新聞記事 は よく まとまって いる。

This newspaper article topic well organized is.

よく (yoku) is the adverbial form of いい/良い, meaning 'well'.

2

彼 は いい かげん な 人間 では ない。

He topic careless person not is.

いいかげん here implies 'unreliable' or 'irresponsible'.

3

いい 機会 なので、ぜひ 参加したい。

Good opportunity because, by all means want to participate.

機会 (kikai) means 'opportunity'. ぜひ (zehi) means 'by all means'.

4

この 経験 は 私 にとって いい もの でした。

This experience topic me for good thing was.

~にとって (ni totte) means 'for' or 'to'.

5

いい 年 を して、そんなに 騒ぐ のは どうか と 思う。

Good age doing, that much make noise topic how is think.

いい年をして implies being old enough to know better.

6

この 計画 は 良い 点 が 多い。

This plan topic good points are many.

良い点 (yoi ten) means 'good points' or 'merits'.

7

君 の 意見 は いい 参考 に なる。

Your opinion topic good reference become.

参考 (sankō) means 'reference'.

8

あの 映画 を 見て、とても よかった と 思った。

That movie watch, very good thought.

The past tense よかった expresses a strong positive feeling.

1

この 論文 は 論旨 が 明確 で 構成 も よく できている。

This thesis topic main point is clear and structure also well made is.

よくできている (yoku dekite iru) means 'is well-made' or 'well-executed'.

2

彼は いい 加減な 処置 で 状況 を 悪化させた。

He careless treatment with situation worsen caused.

いいかげんな処置 (ii kagenna shochi) refers to negligent or inadequate treatment.

3

この 経験 は 私 の 人生 における 良い 転換点 となった。

This experience topic my life within good turning point became.

転換点 (tenkanten) means 'turning point'.

4

彼の 誠実な 人柄 は、誰もが 良い 印象 を 受ける だろう。

His sincere personality topic, everyone good impression receive will likely.

良い印象 (yoi inshō) means 'good impression'.

5

いい 年 を して、まだ 親 に 頼って いる のは いかがな もの か。

Good age doing, still parents on rely is how thing particle.

いかがなものか expresses doubt or criticism about a situation.

6

この 芸術作品 は、見る 者 に 深い 感銘 を 与える 良い 例 だ。

This artwork topic, see person to deep impression give good example is.

感銘 (kanmei) means 'deep impression' or 'inspiration'.

7

彼の 提案 は 実現 可能 で、かつ 費用対効果 も 良い。

His proposal topic realization possible and, also cost-effectiveness also good.

費用対効果 (hiyō tai kōka) means 'cost-effectiveness'.

8

長年 の 努力 が 実を結び、ついに 良い 結果 を 得た。

Many years of effort fruit bore, finally good result obtained.

実を結ぶ (mi o musubu) means 'to bear fruit' (literally and figuratively).

1

その 政治家 は、しばしば 言葉 の 綾 を 意図的に 無視する 傾向 が ある。

That politician topic, often words' nuance intentionally ignore tendency exists.

This sentence uses 'いい' implicitly through the idea of skillful use of language, contrasting with deliberate ignorance.

2

彼の 処世術 は、一見 寛容 に 見えながら、実は いい 加減さ を 巧みに 利用する ものだった。

His life strategy topic, at first glance tolerant seeming, in fact carelessness skillfully utilize was.

いい加減さ (ii kagen sa) here refers to a calculated lack of strictness or adherence to rules.

3

その 古典文学 作品 は、時代 を 超えて 人間 の 普遍的な 心理 を 描き出す 秀逸 な 例 である。

That classic literature work topic, era cross human 's universal psychology depict excellent example is.

秀逸 (shūitsu) is a high-level synonym for 'excellent' or 'outstanding', related to the concept of 'good'.

4

彼の 芸術 は、伝統的な 技法 と 革新的な 表現 を 高次元 で 融合 させた 良い 例 と 言えよう。

His art topic, traditional techniques and innovative expression high dimension in fuse made good example say can.

高次元 (kōjigen) means 'high dimension', implying a sophisticated integration.

5

いい 年 を した 大人が、未熟な 判断 で 大衆 を 扇動 する 様 は 嘆かわしい。

Good age doing adult, immature judgment with masses incite manner lamentable is.

嘆かわしい (nagekawashii) means 'lamentable' or 'deplorable'.

6

この 建築様式 は、機能性 と 美的 要素 の 調和 が 図られた 秀れた 例 である。

This architectural style topic, functionality and aesthetic elements 's harmony achieved excellent example is.

秀れた (hīre ta) is another high-level synonym for 'excellent'.

7

彼の 弁舌 は 流暢 であった が、その 実質 には 乏しく、しばしば 空虚な 言葉 の 羅列 に 終始した。

His eloquence topic fluent was but, its substance lacked, often empty words 's listing ended up.

This sentence contrasts eloquent speech with a lack of 'good' content.

8

その 思想 は、時代 の 要請 に 応えうる 普遍性 と 妥当性 を 兼ね備えた 良い もの と 評価 されている。

That ideology topic, era 's demands respond possible universality and validity combine good thing evaluate is.

妥当性 (datōsei) means 'validity' or 'appropriateness'.

Colocações comuns

いい天気
いい人
いい加減
いい感じ
いいえ
いいですね
よかった
よくできました
いい加減にしろ
いい知らせ

Idioms & Expressions

"いい加減 (ii kagen)"

Can mean 'reasonable/moderate' or 'careless/irresponsible' depending on context. Often implies 'enough is enough'.

いい加減なことを言うな! (Ii kagen na koto o iu na!) - Stop talking nonsense!

neutral/casual

"いい年をして (ii toshi o shite)"

Being of a good age; used ironically to criticize someone for immature behavior despite their age.

いい年をして、そんなに騒ぐのはどうかと思う。(Ii toshi o shite, sonna ni sawagu no wa dōka to omou.) - It's questionable for someone your age to be making so much noise.

neutral/critical

"いい夢を見る (ii yume o miru)"

To have a good dream.

ゆっくり休んで、いい夢を見てください。(Yukkuri yasunde, ii yume o mite kudasai.) - Rest well and have sweet dreams.

neutral/polite

"いいじゃないか (ii ja nai ka)"

Isn't it good? / Why not? / That's fine!

「疲れたよ」「いいじゃないか、あと少しだ」('Tsukareta yo' 'Ii ja nai ka, ato sukoshi da') - 'I'm tired.' 'It's fine, just a little more.'

casual

"いい顔をする (ii kao o suru)"

To look pleased, to smile favorably, or to be accommodating.

彼はいつもいい顔をしてくれる。(Kare wa itsumo ii kao o shite kureru.) - He always gives me a favorable look/is always accommodating.

neutral

"いいことずくめ (ii koto zukume)"

Nothing but good things; a string of good fortune.

旅行中はいいことずくめだった。(Ryokōchū wa ii koto zukume datta.) - Everything went well during the trip.

neutral/positive

Easily Confused

いい/良い vs 良い (yoi) vs いい (ii)

Both mean 'good' and are often interchangeable.

いい is the common spoken form, while 良い is more formal, often used in writing and set phrases. They are essentially synonyms.

Casual: いい天気 (ii tenki) / Formal: 良い天気 (yoi tenki) - Good weather.

いい/良い vs いい (ii) vs よく (yoku)

Both derive from the same root concept of 'good'.

いい is an adjective (describes nouns). よく is an adverb (describes verbs, adjectives, or other adverbs).

いい人 (ii hito - good person) vs よく話す (yoku hanasu - speak well).

いい/良い vs いい (ii) vs 結構 (kekkō)

Both can mean 'good' or 'fine'.

いい is a general positive evaluation. 結構 can mean 'good', 'sufficient', 'quite', or even 'splendid', often implying a degree of satisfaction or adequacy.

これはいいです (Kore wa ii desu - This is good) vs これは結構です (Kore wa kekkō desu - This is fine/sufficient, or sometimes 'No, thank you').

いい/良い vs いい (ii) vs 素晴らしい (subarashii)

Both express positive qualities.

いい is a general 'good'. 素晴らしい is much stronger, meaning 'wonderful', 'splendid', 'amazing', used for things that truly impress.

いい映画 (ii eiga - a good movie) vs 素晴らしい景色 (subarashii keshiki - a wonderful view).

Sentence Patterns

A1-A2

Noun + は/が + いい/良い (です)

この本がいいです。(Kono hon ga ii desu.) - This book is good.

A1-A2

いい/良い + Noun

いい声 (ii koe) - A nice voice.

A2-B1

Verb-て + いい/良い (ですか)

写真をとっていいですか?(Shashin o totte ii desu ka?) - May I take a picture?

A1-A2

Noun + は + いい/良い + Noun + だ/です

彼はいい人です。(Kare wa ii hito desu.) - He is a good person.

B1-B2

Adverbial Form + Verb (e.g., よく + Verb)

よく勉強します。(Yoku benkyō shimasu.) - I study well.

Família de palavras

Nouns

良さ (yosa) Goodness; merit; excellence
改良 (kairyō) Improvement; reform

Verbs

良し (yoshi) To be good (classical verb)

Adjectives

良い (yoi) Good (formal written form)
悪い (warui) Bad (antonym)

Relacionado

善良 (zenryō) Means 'goodness', 'virtue', often referring to moral goodness.
良好 (ryōkō) Means 'good', 'fine', 'satisfactory', often used for conditions or states.

How to Use It

Formality Scale

formal (良い, 素晴らしい) neutral (いい) casual (いいじゃん) slang (N/A for this word itself, but context can make it slangy)

Erros comuns

Using いい (ii) instead of よく (yoku) as an adverb. よくできました (yoku dekimashita)
いい is an adjective. When modifying a verb (like 'did'), you need the adverbial form, which is よく.
Forgetting the irregular past tense よかった (yokatta). 昨日はよかった (Kinō wa yokatta)
The past tense isn't formed by adding -ta directly to いい. It's the irregular よかった, often used for relief.
Confusing the meaning of いい加減 (ii kagen). Use context to determine if it means 'moderate' or 'careless'.
This word has a dual meaning. 'いい加減にして!' is 'Stop it!', while 'いい加減な仕事' is 'careless work'.
Overusing いい (ii) in very formal situations. Use 良い (yoi) or synonyms like 素晴らしい (subarashii) in formal writing or speech.
While acceptable in some polite speech, いい can sound too casual in highly formal contexts.
Thinking よい (yoi) is always the written form. いい is also used in writing, especially in less formal contexts or when the kanji isn't used.
Both forms are valid, but 良い is often preferred in formal writing and set phrases.

Tips

💡

Sound Association

Link the sound 'ii' to the English 'ee!' sound you make when you taste something delicious. Delicious = Good!

💡

Everyday Approval

Use いいですね! (ii desu ne!) frequently to show agreement or appreciation in conversations. It's a safe and friendly way to respond positively.

🌍

Politeness Level

Remember that いい is generally casual. For more formal situations or writing, opt for 良い or synonyms like 素晴らしい.

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Adverb Form 'Yoku'

Don't forget that the adverb form used with verbs is よく (yoku), not いい. Practice sentences like 'よくできました' (Well done).

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Vowel Length

Pay attention to the double 'i' in いい. Make sure to hold the vowel sound slightly longer than a single 'i' to distinguish it.

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Avoid 'ii' with Verbs

Resist the urge to use いい directly before verbs. Use the adverb よく instead (e.g., よく食べる, not いい食べる).

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The 'Good' Kanji

The kanji 良 has ancient roots, possibly symbolizing abundant wheat, representing something desirable and therefore good.

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Contextual Learning

Learn いい/良い through real-life examples. Notice how it's used in anime, dramas, and conversations to understand its nuances better.

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Expressing Relief

Master the use of よかった (yokatta) for expressing relief. It's a very common and useful expression in everyday life.

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Permission Pattern

Memorize the pattern Verb-て + いいですか? (te ii desu ka?) for asking permission. It's essential for polite interaction.

Memorize It

Mnemonic

Think of 'ii' sounding like 'ee!' - like when you eat something delicious, you say 'Mmm, ee!' which is good!

Visual Association

Imagine a big, shiny green checkmark (✓) representing 'good' or 'correct'.

Word Web

Positive Quality Approval Nice Fine Okay Well Excellent

Desafio

Try describing 5 things around you today using いい (ii).

Origem da palavra

Japanese

Original meaning: The character 良 originally depicted wheat growing from the ground, symbolizing abundance and goodness.

Contexto cultural

Generally, 'good' is a positive and universally understood term. However, context is key. Saying something is 'good' might be inappropriate if it implies endorsement of something negative.

In English-speaking cultures, 'good' is equally fundamental. We use it for quality, morality, and general approval. Phrases like 'good job!' or 'that's good' are ubiquitous, mirroring the Japanese usage of いい.

The phrase 'いい日旅立ち' (Ii Hi Tabidachi) is a famous song title by Yamaguchi Momoe, meaning 'A Good Day to Travel'. Many anime and manga use いいね! (ii ne! - 'Nice!') as an expression of approval or admiration.

Practice in Real Life

Real-World Contexts

Daily Conversation

  • いい天気ですね! (Ii tenki desu ne!) - Nice weather!
  • それはいいですね! (Sore wa ii desu ne!) - That's nice!
  • いいですよ。(Ii desu yo.) - Sure / Okay.

Asking for Permission

  • ここに入っていいですか? (Koko ni haitte ii desu ka?) - May I enter here?
  • これを使ってもいいですか? (Kore o tsukatte mo ii desu ka?) - May I use this?
  • 帰ってもいいですか? (Kaette mo ii desu ka?) - May I leave?

Expressing Satisfaction/Relief

  • よかった! (Yokatta!) - Thank goodness! / I'm glad!
  • これでいいです。(Kore de ii desu.) - This is fine / This is good enough.
  • いい気分です。(Ii kibun desu.) - I feel good.

Complimenting

  • いい人ですね。(Ii hito desu ne.) - You're a good person.
  • いい仕事ですね。(Ii shigoto desu ne.) - That's good work.
  • いいアイデアだ! (Ii aidea da!) - That's a good idea!

Conversation Starters

"What's the best thing that happened to you today? (今日、一番いいことは何でしたか?)"

"Do you think the weather is good today? (今日の天気はいいと思いますか?)"

"What kind of movies do you think are good?"

"What's a good way to relax after a long day?"

"If you could have one superpower, what good superpower would you choose?"

Journal Prompts

Write about a time someone was a 'good person' to you.

Describe your ideal 'good day'.

What are some 'good habits' you have or want to develop?

Reflect on a 'good experience' you had recently.

Perguntas frequentes

8 perguntas

In casual conversation, いい is almost always used. 良い is more common in formal writing, set phrases (like '良いお年を' - Happy New Year), and when you want to sound a bit more formal or literary.

Primarily, yes, it means 'it was good'. However, it's very often used as an exclamation of relief or happiness, similar to 'Thank goodness!' or 'I'm so glad!'

Yes, but よく (yoku), the adverbial form, is more common when modifying verbs related to skills. For example, '日本語がいい' (Nihongo ga ii) means 'My Japanese is good', but '日本語がよく話せる' (Nihongo ga yoku hanaseru) means 'I can speak Japanese well'.

いい is a general 'good'. 結構 can also mean 'good' or 'fine', but often implies 'sufficient', 'quite', or 'splendid', sometimes carrying a slightly more refined nuance than a simple いい.

You can say とてもいい (totemo ii) or とても良い (totemo yoi). For something even better, use 素晴らしい (subarashii).

Yes, the main opposite is 悪い (warui), meaning 'bad'.

Yes, in the pattern Verb-て + いい (desu). For example, '入っていいですか?' (Haitte ii desu ka?) means 'May I come in?'

Extremely common! It's one of the most frequently used adjectives in Japanese.

Teste-se

fill blank A1

この りんご は ___ です。

Correto! Quase. Resposta certa: いい

We want to say the apple is 'good', so we use いい.

multiple choice A2

What does 'いい天気' mean?

Correto! Quase. Resposta certa: Good weather

天気 (tenki) means weather, and いい means good.

true false B1

The word 'yokatta' means 'it was bad'.

Correto! Quase. Resposta certa: Falso

よかった is the past tense of いい/良い and means 'it was good' or expresses relief.

match pairs B1

Word

Significado

All matched!

These are common phrases using the adjective いい.

sentence order B2

Toque nas palavras abaixo para montar a frase
Correto! Quase. Resposta certa:

The correct sentence is 'これはいいです' (Kore wa ii desu), meaning 'This is good'.

fill blank B2

彼は 日本語 を ___ 話します。

Correto! Quase. Resposta certa: よく

We need an adverb to modify the verb 話します (hanashimasu - speaks). よく means 'well'.

multiple choice C1

Which phrase best expresses relief?

Correto! Quase. Resposta certa: よかった

よかった is commonly used to express relief or happiness that something positive happened or was avoided.

true false C1

The kanji 良い is never used in spoken Japanese.

Correto! Quase. Resposta certa: Falso

While いい is more common in speech, 良い is used in certain polite expressions and can appear in spoken language.

sentence order C2

Toque nas palavras abaixo para montar a frase
Correto! Quase. Resposta certa:

The sentence is '彼はいいかげんな人間ではありません' (Kare wa ii kagenna ningen de wa arimasen), meaning 'He is not an irresponsible person'.

fill blank C2

この 計画 は ___ 点 が 多い。

Correto! Quase. Resposta certa: 良い

良い点 (yoi ten) means 'good points' or 'merits', fitting the context of a plan.

Pontuação: /10

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