いい · i-adjective (yoi/ii class)
| Form | Positive | Negative |
|---|---|---|
| Dictionary | いい | よくない |
| Polite | いいです | よくないですalso よくありません |
| Past polite | よかったです | よくなかったですalso よくありませんでした |
| Past | よかった | よくなかった |
| Te-form | よくて | よくなくて |
| Adverbial | よく | |
| Conditional | よければ | よくなければ |
| Tara conditional | よかったら | よくなかったら |
今日は天気がいいですね。
The weather is nice today, isn't it?
この映画はとてもいい。
This movie is really good.
sufficient; enough; ready; prepared
Indicates that something is adequate or that one is ready; often used in the form もういい (that's enough) or いいですか (is it okay/ready?).
See also: 良い (よい)
もうお腹いっぱいです。もういいです。
I'm full. That's enough, thank you.
準備はいいですか?
Are you ready?
Used for deals, offers, or situations that bring advantage or profit.
See also: 良い (よい)
それはいい話ですね。
That's a good deal, isn't it?
OK; all right; fine; no problem
Expresses permission or compromise, often in patterns like ~てもいい (it's okay to do ~) or ~といい (it would be good if ~).
See also: 良い (よい)
ここに座ってもいいですか?
Is it okay if I sit here?
明日晴れるといいですね。
I hope it will be sunny tomorrow.
Is it okay if I sit here?
That's enough, don't worry about it.
I felt great after soaking in the hot spring.
This one is better.
It would be good if you rested soon.
You'd better go to bed early.
いい is the everyday colloquial form of 良い used in ordinary conversation, whereas グッド sounds more modern and marketing-oriented.
いい is the everyday colloquial word for 'good', whereas 良き is formal and restricted to modifying a following noun in set phrases.