Primarily as a noun: It is the representation of a tangible thing. However, it can also be used as an adjective or adverb, as in the phrases "cornflower blue" (as adverb, modifying the adjective "blue") or "cornflower petal" (modifying the noun "petal").
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.
The part of speech for this particular word is a noun.
The word speech is a noun.
The word speech is a noun.
The word speech is a noun.
It is not ANY part of speech, there is no such English word as "stroobly".