Definitions from Wiktionary (question mark)

▸ noun:  (typography) The punctuation mark "?", used at the end of a sentence to indicate a question.
▸ noun:  (figuratively, informal) A state of doubt or uncertainty.
▸ noun:  (figuratively, informal) An enigmatic, inscrutable, or mysterious person or thing; an enigma, a riddle.
▸ noun:  Polygonia interrogationis, a North American nymphalid butterfly with a silver mark on the underside of its hindwing resembling a question mark (sense 1).
▸ Also see question_mark


▸ Words similar to question marks
▸ Usage examples for question marks

▸ Idioms related to question marks
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▸ Words that often appear near question marks
▸ Rhymes of question marks

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