Yes. It originates from belief which is the noun referring to a person believing in something, as well as the negating prefix dis.
Upwards is a compound word.
Upstairs is a compound word, so it is one 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.
No. The word fast is not a compound word.
No, the word ability is not a compound word.
Disbelief. Disbelief: Adj. Lit., does not believe.
I look at the kids in disbelief for their terrible behavior.
She looked in disbelief at the driver who was yelling obscenities.
The man was in total disbelief when he found out he made the show.
The root word is belief.
Incredulity.
Rejection, disbelief
denial
Anarchy
He stared in disbelief as the tsunami crashed through the city streets. The report that Titanic had sunk was first met with some disbelief among officials. The term for taking a science fiction movie seriously is called "suspension of disbelief."
Disbelief, skepticism, heterodoxy, unbelief...
Doubt disbelief skeptical skeptic