ultimate - definition and synonyms

adjective [only before noun] 

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  1. 1
    happening at the end of a process or activity

    The incident affected the ultimate outcome of the war.

    ultimate goal/aim/objective:

    Independence remains their ultimate political goal.

  2. 2
    if you have something such as ultimate power or responsibility, you have more power or responsibility than anyone else

    Parents must have ultimate responsibility for their children’s safety.

    The ultimate decision must be made by the Chief Constable himself.

  3. 3
    as good or as bad as possible

    They suffered the ultimate humiliation of defeat by their oldest enemies.

    The house provides the ultimate luxury retreat.

    1. a.
      used about something that is better, more extreme, or more important than all others

      The threat of strike action was their ultimate weapon in talks with management.

       Synonyms and related words
  4. 4
    relating to the origins or basic form of something

    Science is a search for the ultimate truths about the universe.