Definitionen
1.NounAn ongoing problem; a recurring obstacle or adversity.
2.NounA source of dread; resentment; or irritation. .mw-parser-output .defdate{font-size:smaller}
3.NounA generic creature, often described as a large goblin, meant to inspire fear in children.
4.VerbTo alarm with idle phantoms. (clarification of this definition is needed)