time line

Noun

timeline (plural timelines)

1. A graphical representation of a chronological sequence of events (past or future).
   • But, as things stand, there's no timeline in place for reopening.2023 February 8, Andrew Mourant, “A serious shuttle service with options to Taunton and beyond”, in RAIL, number 976, page 31

   Synonyms:

   chronology

   Antonyms:

   timepoint

2. (social media) The feed of a social media service, especially when ordered chronologically.
   • Your Timeline is essentially your home base on Facebook, the place where all your Facebook friends can view your information and activity.2013, Michael Miller, My Facebook for Seniors, Que Publishing, →ISBN, page 95
3. A schedule of activities; a timetable.
   • “Once you’ve seen how these systems are cobbled together – the biases, the rushed timelines, the constant compromises – you stop seeing AI as futuristic and start seeing it as fragile,” said Adio Dinika, who studies the labor behind AI at the Distributed AI Research Institute, about people who work...2025 November 22, Varsha Bansal, “Meet the AI workers who tell their friends and family to stay away from AI”, in The Guardian, →ISSN

   Synonyms:

   schedule, timetable

4. An individual universe or reality, especially a parallel/alternate one in which events differ from actual history, or differ from the established canon of a fictional world.
   • on an alternate timeline

   Synonyms:

   timestream, time track, hypothetical

See all 6 meanings of timeline