chief of staff

noun phrase

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

Examples of chief of staff in a Sentence

Recent Examples on the Web
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Tactics to combat drug traffickers required military leaders exercising might, not lawyers telling generals what to do, according to Stephen Miller, White House deputy chief of staff. Eduardo Cuevas, USA Today, 25 Mar. 2026 Speaking at an assessment meeting with the Israeli military’s chief of staff, Katz said the military would control up to the Litani River, a waterway that runs through south Lebanon, meeting the Mediterranean some 20 miles north of the border with Israel. Ana Ceballos, Los Angeles Times, 24 Mar. 2026 Such hacks could help Iran monitor targets and assess damage after missile strikes, according to Gil Messing, Check Point Research’s chief of staff. ABC News, 23 Mar. 2026 The defense team also wanted Maduro and White House chief of staff Susie Wiles to testify. Joshua Goodman, Sun Sentinel, 23 Mar. 2026 See All Example Sentences for chief of staff

Word History

First Known Use

1862, in the meaning defined at sense 1

Time Traveler
The first known use of chief of staff was in 1862

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Cite this Entry

“Chief of staff.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chief%20of%20staff. Accessed 26 Mar. 2026.

Kids Definition

chief of staff

1
: the ranking officer of a staff in the armed forces who advises a commander
2
: the ranking officer of the army or air force
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