Definition from Wiktionary, the free dictionary
Jump to: navigation, search
Character ?
Unicode name QUESTION MARK
Unicode block Basic Latin
Codepoint U+003F
> ← Basic Latin → @



? may derive from Qo, with the Q written over the o, an abbreviation of Latin quaestio ‎(question), placed at the end of a question to mark it as such.[1]

Punctuation mark[edit]


  1. Marks a preceding passage written in Latin script as a question.
    • 2003, J. K. Rowling, Lya Wyler, Harry Potter e a Ordem da Fênix, Rocco, page 46:
      Olho-Tonto, você sabe que isso é nojento, não sabe?
      Mad-Eye, you know that this is disgusting, don't you?



  1. (chess) In algebraic notation, marks a bad move.
  2. (programming)
    1. A wildcard for one character in query language.
    2. The ternary operator in some programming languages.
    3. Zero-or-one modifier for detecting characters or groups in regular expressions.
  3. (networking) In a URL, begins a query string (a series of data formatted as field-value pairs).

Usage notes[edit]


For usage examples of this term, see Citations:?.

Derived terms[edit]

  • (small form variant)
  • (?)

See also[edit]



  1. ^ Alexander Humez, 1987, A B C et cetera: the life & times of the Roman alphabet



? ‎(plural ?s)

  1. (text messaging) A question.
    i hav a ? 4 u (I have a question for you)
  2. objects seen/shaped as the question mark
    a ? block (a question-mark block)