noun
leader
LEE-duh
noun
1
A person who guides or is in charge of a group, organisation, or country.
"The team elected a new leader after the merger."
"World leaders gathered for the summit."
2
A person or organisation that ranks first in a particular field.
"The company is a leader in renewable energy technology."
How to Use Leader
Learner’s notesIn plain EnglishSomeone or something that leads, guides, or ranks first.
Common pairings
team leader
world leader
market leader
Word Forms
leaders plural, Leaders plural
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Etymology
From Old English lǣdere, "leader" — from the same root as "lead" (to guide) plus the agent suffix "-er."