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Definition of timeline

timeline

/ˈtaɪm.laɪn/
time · line
Plural:timelines
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timeline Lexical Profile

timeline Game Scores & Validity

• noun

1

A schedule or timetable of activities, milestones, or procedures for a project or process.

Example

"The engineering team presented a revised timeline for completing the bridge construction."

2

A linear graphic representation of a sequence of historical or planned events in chronological order.

Example

"The museum exhibit featured an interactive timeline of ancient civilizations."

3

A chronological feed of posts, updates, and shared content displayed on a social media platform or video editing interface.

Example

"News of the scientific discovery quickly filled her social media timeline."

Synonyms
View all synonyms for timeline

• Nearby Words

timeless
timelessly
timelessness
timeline
timeliness
timely
timeout

Cite this Entry

Wordmom. (2026). Definition of Timeline. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/timeline
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