First-class
First-class adjective - Of the very best kind.
Usage example: a first-class production of a classic American musical
Top is a synonym for first-class in good topic. In some cases you can use "Top" instead an adjective phrase "First-class", when it comes to topics like superior.
Mutual synonyms
Both words in one sentence
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At the top level, a first-class adept could utilize that Power for telepathy, psychokinesis, levitation, teleportation, and other powers that the commander only vaguely understood.
Source: Psychic Powers
Cite this Source
Top and First-class. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/first-class/top
First-class & Top. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/first-class/top>.
Top or First-class. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/first-class/top.