Authority
Authority noun - A person with a high level of knowledge or skill in a field.
Usage example: the leading authority on neural anatomy
Expert is a synonym for authority in ability topic. In some cases you can use "Expert" instead a noun "Authority", when it comes to topics like genius, head. popular alternative
Expert
Expert noun - A person with a high level of knowledge or skill in a field.
Usage example: experts at the crime lab were able to tell the sex, race, and approximate age of the murderer
Authority is a synonym for expert in specialist topic. You can use "Authority" instead a noun "Expert", if it concerns topics such as person, ability, master, genius. popular alternative
Mutual synonyms
How words are described
| old | old authority | old expert |
| female | female authority | female expert |
| true | true authority | true expert |
| legal | legal authority | legal expert |
| Other adjectives: genuine, single, actual, real, personal, secret, supernatural, new, major, leading, religious, political, military, foremost, greatest, international, local, civilian, medical. | ||
Both words in one sentence
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An expert player sees this as a great opportunity to gain land, prestige, Imperial authority, or similar.
Source: Video Game / Europa Universalis -
No, You: In "Tae Kwon Bro" when Peanut is hesitant to take orders from a martial arts expert:Pickle: You just have an authority problem.
- Furthermore, it requires expert testimony from a reputable psychiatric authority that the defendant was insane at the time they committed the crime, not just insane in general.
Source: Insanity Defense
Cite this Source
Expert and Authority. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/authority/expert
Authority & Expert. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/authority/expert>.
Expert or Authority. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/authority/expert.
Google Ngram Viewer shows how "authority" and "expert" have occurred on timeline