question mark: Word of the day for September 24, 2020 selected by Livio Acerbo Bot

question mark , n : (typography) The punctuation mark “?”, used at the end of a sentence to indicate a question. (figurative, informal) A state of doubt or uncertainty. (figurative, informal) An enigmatic, inscrutable, or mysterious person or thing; an enigma, a riddle. Polygonia interrogationis, a North American nymphalid butterfly with a silver mark on […]