"Lightning" is a noun.
Sometimes people try to use it as an adjective to mean "fast" (ex, "with lightning speed") but it really should be used as "like lighting" or "lightning-fast" or so on.
The word "thunderstorm" is a noun, specifically a compound noun made up of the words "thunder" and "storm." It refers to a weather phenomenon characterized by thunder, lightning, and rain.
The word "density" is a noun. It refers to the degree of compactness of a substance.
The opposite of lightning is darkness or nightfall.
The word nanosecond is a noun. The plural form is nanoseconds.
The word "motionless" is an adjective. It describes something that is not moving or lacking in motion.
The word lightning is a noun. It is a flash of light in the sky produced by electricity within a cloud.
The part of speech that the word my is used as is an adjective.
The part of speech for this particular word is a noun.
The part of speech for the word civilian is English grammar.
The part of speech for the word diplomacy is a noun.
H is a letter, not a word. To be a part of speech, it needs to be a word.
The part of speech for the word "boulevard" is a noun.
The word speech is a noun.
It is not ANY part of speech, there is no such English word as "stroobly".
The part of speech for this particular word is a noun.
The word speech is a noun.
The word speech is a noun.