"Stationary" (meaning "not movable") is an adjective. Note that it sounds like "stationery" (meaning "writing paper") which is a noun.
Stationary is an adjective: 'I parked my car on a steep hill and made sure that it was stationary before I walked away.'
The part of speech for this particular word is a noun.
The part of speech that the word my is used as is an adjective.
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 part of speech for the word civilian is English grammar.
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.