chief
♦♦♦ chief /tʃ'iːf/ (chiefs)
1 [N-COUNT] with supp
The chief of an organization is the person who is in charge of it.
...a commission appointed by the police chief.
...Putin's chief of security.
2 [N-COUNT; N-TITLE]
The chief of a tribe is its leader.
...Sitting Bull, chief of the Sioux tribes of the Great Plains.
3 [ADJ] ADJ n
Chief is used in the job titles of the most senior worker or workers of a particular kind in an organization.
...the chief test pilot.
= head
4 [ADJ] ADJ n
The chief cause, part, or member of something is the most important one.
Financial stress is well established as a chief reason for divorce...
The job went to one of his chief rivals.
= main, principalchief ex|ecu|tive of|fic|er (chief executive officers)
[N-COUNT]
The chief executive officer of a company is the person who has overall responsibility for the management of that company. The abbreviation CEO is often used. (BUSINESS)
1 [N-COUNT] with supp
The chief of an organization is the person who is in charge of it.
...a commission appointed by the police chief.
...Putin's chief of security.
2 [N-COUNT; N-TITLE]
The chief of a tribe is its leader.
...Sitting Bull, chief of the Sioux tribes of the Great Plains.
3 [ADJ] ADJ n
Chief is used in the job titles of the most senior worker or workers of a particular kind in an organization.
...the chief test pilot.
= head
4 [ADJ] ADJ n
The chief cause, part, or member of something is the most important one.
Financial stress is well established as a chief reason for divorce...
The job went to one of his chief rivals.
= main, principalchief ex|ecu|tive of|fic|er (chief executive officers)
[N-COUNT]
The chief executive officer of a company is the person who has overall responsibility for the management of that company. The abbreviation CEO is often used. (BUSINESS)