officer

B1 · Intermediate Countable noun Sports

n. a person who has a high rank and commands others in the army, navy, or air force.

n. a person holding a commission in the armed forces, typically in a position of command over lower-ranking personnel.

日本語:士官※

“The young officer led his troops across the field during the exercise.”

“After years of distinguished service, she was promoted to the rank of senior officer within the naval intelligence division.”

B2 · Upper Intermediate Countable noun Academic · Formal

n. a person in a high position in a large organization or company.

n. a person who holds a senior administrative or executive position in a corporation, society, or government body.

日本語:役員※

“The chief financial officer explained the company's new budget to the staff.”

“The presiding officer of the committee called for a formal vote on the proposed amendments to the bylaws.”

C2 · Proficiency Formal · Technical

v. to provide a group or organization with officers to lead them.

v. to supply a military unit or organization with officers; to command in the manner of an officer.

“The new regiment was officered by experienced men from the capital.”

“The expedition was poorly officered, leading to a breakdown in discipline once the supplies began to dwindle in the winter months.”