Definition of octuple in US English:



  • 1attributive Consisting of eight parts or things.

    • ‘I couldn't decide whether to feel old and boring or as if I was 14 and on an octuple date.’
    • ‘The five octuple launchers are installed with the caps almost flush with the surface of the bow deck behind the main gun.’
    1. 1.1 Eight times as many or as much.


  • Make or become eight times as numerous or as large.

    • ‘The penalty shoot-out is unfair because it puts completely unfamiliar demands on a person and then it octuples the stakes.’
    • ‘Doctors' salaries have octupled, and 22 million vaccination doses have been given to Iraqi children.’


Early 17th century: from French octuple or Latin octuplus (both adjectives), from octo ‘eight’ + -plus (as in duplus ‘double’).