question mark

[ kwes-chuhn mahrk ]
See synonyms for question mark on
  1. Also called interrogation point, in·ter·ro·ga·tion mark [in-ter-uh-gey-shuhn mahrk]. /ɪnˌtɛr əˈgeɪ ʃən ˌmɑrk/. a punctuation 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.

  1. an anglewing butterfly, Polygonia interrogationis, having a silver marking that resembles a question mark on the underside of each hindwing.

Origin of question mark

First recorded in 1865–70

Words Nearby question mark Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use question mark in a sentence

British Dictionary definitions for question mark

question mark

  1. the punctuation mark ?, used at the end of questions and in other contexts where doubt or ignorance is implied

  2. this mark used for any other purpose, as to draw attention to a possible mistake, as in a chess commentary

  1. an element of doubt or uncertainty

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for question mark

question mark

A punctuation mark (?) that follows a direct question: “Is Ralph really seven feet tall?”

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.