First-class
First-class adjective - Of the very best kind.
In a class all by itself and first-class are semantically related In some cases you can use "In a class all by itself" instead an adjective phrase "First-class".
In a class all by itself
First-class and in a class all by itself are semantically related in first-rate topic. You can use "First-class" instead an adjective phrase "In a class all by itself".
Mutual synonyms
Related pairs
- choice and first-class
- choice and in a class all by itself
- prime and first-class
- prime and in a class all by itself
- fine and first-class
- fine and in a class all by itself
- superior and first-class
- superior and in a class all by itself
- excellent and first-class
- excellent and in a class all by itself
- first-rate and first-class
- first-rate and in a class all by itself
- supreme and first-class
- supreme and in a class all by itself
Cite this Source
In a class all by itself and First-class. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/first-class/in_a_class_all_by_itself
First-class & In a class all by itself. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/first-class/in_a_class_all_by_itself>.
In a class all by itself or First-class. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/first-class/in_a_class_all_by_itself.