na-adjective
Describes food or drink with a noticeable spicy kick, often from chili, pepper, or similar seasonings. Used as a na-adjective.
このカレーはとてもスパイシーだ。
This curry is very spicy.
スパイシーな料理が好きですか？
Do you like spicy food?
辛い is the native Japanese word for spicy or hot, while スパイシー is a loanword often used for a more nuanced, aromatic spiciness, especially in Western or international cuisine contexts.
Loanword from English 'spicy'.