268,216 Contributions. The word delicious is an adjective, a word used to describe a noun; for example: a delicious meala delicious daya delicious treat The word delicious is also a noun as a type … of apple, a red delicious or a yellow delicious.he opposite would be to taste terrible or taste awful (there is no specific word that means tastes really bad). Some other possibilities are unpalatable, unsavory, or unapp … etizing. The absence of taste could be another alternative: bland, tasteless, or flavorless.