say it: uh-THAW-ruh-tee
authority is a noun meaning "the power or right to give orders or make decisions". It carries 7 recorded senses.
the power or right to give orders or make decisions
“he has the authority to issue warrants”
“deputies are given authorization to make arrests”
“a place of potency in the state”
(usually plural) persons who exercise (administrative) control over others
“the authorities have issued a curfew”
plural
freedom from doubt; belief in yourself and your abilities
“his assurance in his superiority did not make him popular”
“after that failure he lost his confidence”
“she spoke with authority”
an administrative unit of government
“the Central Intelligence Agency”
“the Census Bureau”
“Office of Management and Budget”
“Tennessee Valley Authority”
official permission or approval
“authority for the program was renewed several times”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for authority come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.