It literally translates to "ghostly" and is used to describe something that is haunted or has a spooky atmosphere.
Here are some examples of how to use "spookagtig" in a sentence:
* Die ou huis is spookagtig. (The old house is haunted.)
* Die atmosfeer in die kamer was spookagtig. (The atmosphere in the room was spooky.)
* Daar is 'n spookagtige storie oor die bos. (There is a ghostly story about the forest.)