commander

A commander is the person in charge, particularly in the military. If you're in the Navy, your commander gives directions that you're expected to follow.

A commander does exactly what it sounds like: she issues instructions or commands and assumes they'll be obeyed. Although there are other kinds of commanders, you're most likely to find the word describing a military official. The President of the United States is considered the "Commander-in-Chief" of the US Armed Forces. The word comes from the Old French comander, "to order."

Definitions of commander
1

n someone in an official position of authority who can give orders or control others

Type of:
leader
a person who rules or guides or inspires others

n an officer in charge of a military unit

Synonyms:
commandant, commanding officer
Types:
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SACLANT, Supreme Allied Commander Atlantic
commanding officer of ACLANT; a general of the United States Army nominated by the President of the United States and approved by the North Atlantic Council
SACEUR, Supreme Allied Commander Europe
commanding officer of ACE; NATO's senior military commander in Europe
commander in chief, generalissimo
the officer who holds the supreme command
wing commander
(RAF rank) one who is next below a group captain
Type of:
military officer, officer
any person in the armed services who holds a position of authority or command

n an officer in the airforce

Synonyms:
air force officer
Type of:
man, military man, military personnel, serviceman
someone who serves in the armed forces; a member of a military force

n a commissioned naval officer who ranks above a lieutenant commander and below a captain

Type of:
commissioned naval officer
a commissioned officer in the navy

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