authority

B1 · Intermediate Plural noun

n. the people or organisations that are in charge of a particular country or area.

n. the collective body of persons or the administrative department in which power is vested. Usually plural when referring to the police or government officials.

“You should report the stolen car to the local authorities immediately.”

“The health authorities issued a warning after several cases of food poisoning were linked to the local market.”

B2 · Upper Intermediate Countable noun Academic

n. a person who has a lot of knowledge about a specific subject.

n. a person or text regarded as a definitive and reliable source of information or expertise on a subject.

日本語:専門家※

“She is a leading authority on ancient Greek history and has written many books.”

“The professor is widely considered the preeminent authority on climate change patterns in the Arctic region.”

C1 · Advanced Uncountable noun Law Formal

n. official permission to do something.

n. formal or legal authorisation to act in a specific capacity or to perform a particular task.

“He acted without authority when he signed the contract for the company.”

“The agent lacked the legal authority to sell the property without the owner's written consent.”

B2 · Upper Intermediate Countable noun

n. a government organisation that manages a public service, like transport or water.

n. a public administrative body or government-owned agency responsible for a specific public service or infrastructure.

“The local housing authority is building new apartments for families in the city.”

“The transit authority announced a significant increase in bus fares to cover the rising costs of fuel and maintenance.”