chief of staff

noun phrase

Definition of chief of staff

1 : the ranking officer of a staff in the armed forces serving as principal adviser to a commander

2 : the ranking officer of the army or air force and a member of the Joint Chiefs of Staff

Keep scrolling for more

Learn More about chief of staff

Dictionary Entries near chief of staff

chief master sergeant of the air force

chief of naval operations

chief of police

chief petty officer

Statistics for chief of staff

Look-up Popularity

Time Traveler for chief of staff

The first known use of chief of staff was in 1862

See more words from the same year

Keep scrolling for more

More Definitions for chief of staff

chief of staff

noun

English Language Learners Definition of chief of staff

: a person of high rank in the U.S. Army, Navy, Air Force, or Marines who advises the person in charge of military operations

: a person of high rank who advises a leader (such as the U.S. President) on important matters

Comments on chief of staff

What made you want to look up chief of staff? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

hamartia

a flaw that causes the downfall of a hero

Test Your Vocabulary

A Green Quiz

What is the best definition of green-eyed monster?

Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Words at Play

Ask the Editors

Word Games