authority
/əˈθorəti/
noun
plural
authorities
plural
authorities
Britannica Dictionary definition of AUTHORITY
1
[noncount]
:
the power to give orders or make decisions
:
the power or right to direct or control someone or something
-
Only department managers have the authority [=right, power] to change the schedule.
-
Does he have the authority to do this? = (US) Does he have authority to do this?
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This office has authority over personnel matters. [=this office has the power to make decisions about personnel matters]
-
You don't have authority over me. [=you don't have the power to give me orders]
-
The boss is not popular but his authority is unquestioned.
-
“Who gave him the authority to do this?” “He didn't do it on his own authority [=he didn't do it on his own]; he was acting under the authority of the company president.” [=the company president gave him the power to do it]
-
No one in authority objected to the plan. = No one in a position of authority objected to the plan. [=no one with official power to make important decisions objected to the plan]
-
a figure of authority = an authority figure [=a person who has authority over other people]
2
[noncount]
a
:
the confident quality of someone who knows a lot about something or who is respected or obeyed by other people
b
:
a quality that makes something seem true or real
-
His sincerity added much more authority [=credibility] to the story.
-
Her southern accent lent authority to her performance.
-
His opinions lacked authority.
3
authorities
[plural]
:
people who have power to make decisions and enforce rules and laws
—
often used with the
4
[count]
:
a person who is an expert on a subject
—
usually + on
5
[count]
:
a government organization that has control of a specified activity or area
have it on good/excellent authority
◊ If you have it on good/excellent authority that something is true, you have been told that it is true by someone you trust and believe.