Adjective "questionmark" definition and examples

Definitions

1. Also called interrogation point, interrogation mark. a mark indicating a question: usually, as in English, the mark (?) placed after a question.

2. something unanswered or unknown: His identity is still a question mark to most of us.

3. an anglewing butterfly, Polygonia interrogationis, having silver spots shaped like a question mark on the underside of each hind wing.

More examples(as adjective)

"hangings can be questionmark."

Origin

(question mark)