1Skillful, adept, or good at something; also used for being clever or skillful in how one speaks or handles a situation.
彼はギターがうまいから、バンドに誘われた。
He's good at guitar, so he was invited to join the band.
彼女は交渉がうまくて、条件を引き上げた。
She negotiated skillfully and got better terms.
うまい言い訳を思いついたが、結局使わなかった。
I came up with a clever excuse, but in the end I didn't use it.
2Tasty or delicious (colloquial); often written in kanji as 旨い or 美味い, but just as commonly in kana.
この寿司、うまいね。どこで食べたの？
This sushi is delicious. Where did you eat it?
母の作るカレーはいつもうまい。
My mother's curry is always tasty.
あの店のラーメンは味がうまいと評判だ。
That shop's ramen has a reputation for great taste.
3Describes something advantageous, profitable, or going well; can mean a clever or fortunate result (e.g., a good deal, a lucky break).
うまい話には裏があることが多いから気をつけて。
Be careful—there's often a catch to a too-good-to-be-true deal.
彼はうまいことを言って場を和ませた。
He said something clever and lightened the mood.
この投資はうまい儲けになった。
This investment turned out to be a profitable one.