timeline

UK: /ˈtaɪmlaɪn/

Collins Concise English Dictionary © HarperCollins Publishers::

timeline / ˈtaɪmˌlaɪn/ noun

1. a graphic representation showing the passage of time as a line
2. a time frame during which something is scheduled to happen

WordReference Random House Unabridged Dictionary of American English © 2026

time′ line′, 

1. a linear representation of important events in the order in which they occurred.
2. a schedule;
   timetable.

Also, time′line′. 

• 1950–55

time′ line′, 

1. a linear representation of important events in the order in which they occurred.
2. a schedule;
   timetable.

Also, time′line′. 

• 1950–55