According to this dictionary definition, which sentence uses the word cacophonous correctly? a) when i feel cacophonous, i usually take a quick nap and feel 100% better. b) cacophonous daffodils sprouted all over the yard, indicating the impending arrival of spring. c) the cacophonous radio played jazz all evening long while the couples danced slowly around the room. d) the substitute teacher had no idea that the fifth grade band class would make such cacophonous music.

According to this dictionary definition, the sentence that uses the word cacophonous correctly is D) The substitute teacher had no idea that the fifth grade band class would make such cacophonous music.

Explanation:

Cacophonous is an adjective used to describe a harsh or discordant mixture of sounds. Within this list, the only sentence that makes reference to sounds is sentence D, apart from the fact that it makes perfect sense with the context provided in the sentence.

not concrete, existing in thought or as an idea but not having a physical or concrete existence

no, but sometimes i do.