commander
Americannoun
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a person who commands.
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a person who exercises authority; chief officer; leader.
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the commissioned officer in command of a military unit.
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U.S. Navy. an officer ranking below a captain and above a lieutenant commander.
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a police officer in charge of a precinct or other unit.
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the chief officer of a commandery in the medieval orders of Knights Hospitalers, Knights Templars, and others.
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a member of one of the higher classes or ranks in certain modern fraternal orders, as in the Knights Templars.
noun
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an officer in command of a military formation or operation
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a naval commissioned rank junior to captain but senior to lieutenant commander
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the second in command of larger British warships
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someone who holds authority
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a high-ranking member of some knightly or fraternal orders
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an officer responsible for a district of the Metropolitan Police in London
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history the administrator of a house, priory, or landed estate of a medieval religious order
Other Word Forms
- commandership noun
- subcommander noun
- subcommandership noun
- undercommander noun
Etymology
Origin of commander
1250–1300; Middle English < Old French comandere, equivalent to comand ( er ) to command + -ere < Latin -ātōr- -ator
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Artemis astronauts also quickly encountered email trouble: mission commander Reid Wiseman said he was experiencing issues with Microsoft Outlook.
From Barron's • Apr. 4, 2026
He is joined by mission commander Reid Wiseman, pilot Victor Glover, and fellow mission specialist Christina Koch.
From BBC • Apr. 2, 2026
He was deployed to Afghanistan as a company commander while I was a squad leader in Iraq.
From Slate • Apr. 1, 2026
Centcom former commander General Joseph Votel told The War Zone website this month it would not take that many soldiers to seize Kharg.
From Barron's • Mar. 30, 2026
The British commander, Sir Douglas Haig, had planned every move down to the last detail.
From "The War to End All Wars: World War I" by Russell Freedman
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
