Is Sky a Noun?

Yes, the word ‘sky’ is a noun. In English grammar, a noun is a word that refers to a person, place, thing, or idea. The term ‘sky’ specifically refers to the expanse of air and space that surrounds the Earth, which is visible from the ground. It can also represent different concepts such as the atmosphere, the heavens, or even a metaphorical sense of vastness. For example, in the sentence ‘The sky is clear today,’ ‘sky’ is clearly functioning as a noun, as it denotes a physical entity that we can observe.