Yes, indoors is an adverb.
Example: The children played indoors.
Adverbs often answer the questions where? when? how? Where did the children play? Indoors.
No, it is not a preposition. The word indoors is an adverb.
No, building is not a compound word.
The contraction (not a compound word) is doesn't.
Upwards is a compound word.
There is no compound word.A compound word is a word like bus-stop.Husban is spelt like this husband
Upstairs is a compound word, so it is one word.
Im Haus is a way of saying indoors... So to say 'They're indoors' you say 'Sie sind im Haus'
It cannot be a compound word.
Mango is not a compound word.
The compound word with "shield" in it is "shieldmaiden."
No, "prevent" is not a compound word. It is a single, standalone word.
A non compound word is , a word with one word not two . For a example a compound word is snowflake. An non compound is hot cheetos.