(おい)しい

おいしい
adjective (i-adjective)
delicious, tasty
1. delicious, tasty
Describes food or drink that tastes good. One of the most common and useful adjectives for expressing positive opinions about food. Used in everyday conversation.
これ美味(おい)しいです
This is delicious, isn't it?
Do you know a good restaurant?
美味しい here means 'good' for food
Mom's fish is very delicious.
The food my friend made was so delicious that I was surprised.
The fish at this restaurant is fresh and delicious. I like it so much that I want to come every week.

The kanji 美味(おい)しい is sometimes used but the word is more commonly written in hiragana (おいしい). The opposite is 不味(まず) (mazui, bad-tasting). In casual speech, うまい can also mean delicious, though it's more masculine/casual. Saying おいしい when eating is a polite way to compliment the cook.