na-adjective
delicious-looking; tasty-looking
Describes food or drink that looks appetizing. Derived from 美味しい (delicious) + そう (looks/seems).
See also: 美味しい (おいしい)
このケーキ、すごく美味しそう！
This cake looks really delicious!
彼女が作った料理はどれも美味しそうだった。
All the dishes she made looked tasty.
na-adjective
Slang use, often applied to people or things that are attractive in a tempting or appealing way. Can be used for both physical attractiveness and general desirability.
あの俳優、本当に美味しそうだよね。
That actor is really hot, isn't he?
新作
The new smartphone looks really desirable.