Authority
Authority noun - A person with a high level of knowledge or skill in a field.
Warrant is a synonym for authority in permission topic. In some cases you can use "Warrant" instead a noun "Authority", when it comes to topics like power, prerogative.
Warrant
Warrant noun - The approval by someone in authority for the doing of something.
Authority is a synonym for warrant in permission topic. Sometimes you can use "Authority" instead a noun "Warrant", if it concerns topics such as authorization.
Mutual synonyms
How words are described
Both words in one sentence
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Being the mayor of a town that has no police force, the Mayor comes to the realization that she has the authority to bend the law in that field, and uses "the power vested in [her]" to make Twilight a temporary investigator so she can be given a search warrant, just like that.
- A warrant officer, by comparison, received a warrant - a writ issued by a lawful authority authorizing them to perform their duties.
Source: Useful Notes / Common Ranks -
To violate it or my research would require a proper, legal warrant, and God has no authority here.
Source: Film / Victor Frankenstein
Cite this Source
Warrant and Authority. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/authority/warrant
Authority & Warrant. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/authority/warrant>.
Warrant or Authority. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/authority/warrant.
Google Ngram Viewer shows how "authority" and "warrant" have occurred on timeline