General "spicy":
* मिर्च वाला (mirch wala) - This literally means "with chili" and is the most common way to say "spicy" in Hindi.
* मसालेदार (masaledaar) - This translates to "spiced" and is used for dishes with a lot of spices, not just chili.
* तेज (tez) - This means "strong" or "intense" and can be used to describe spicy food.
For heat level:
* बहुत तेज (bahut tez) - Very spicy
* तेज (tez) - Spicy
* हल्का (halka) - Mild
* बिल्कुल नहीं (bilkul nahin) - Not spicy at all
Other related phrases:
* मुझे मिर्च पसंद है (mujhe mirch pasand hai) - I like chili
* मुझे तेज खाना पसंद है (mujhe tez khana pasand hai) - I like spicy food
The best way to say "spicy" will depend on the specific situation. For example, if you're ordering food, you would use "mirch wala" or "masaledaar." If you're describing a dish, you might use "tez" or "bahut tez."