First-class
First-class adjective - Of the very best kind.
Highest and first-class are semantically related. In some cases you can use "Highest" instead an adjective phrase "First-class".
Highest
Highest adjective - Being at a point or level higher than all others.
First-class and highest are semantically related. Sometimes you can use "First-class" instead an adjective "Highest".
Mutual synonyms
Both words in one sentence
- At the University of Oxford, 70% is the grade boundary for first-class honours (highest honours possible).
Source: The B Grade - Also, Urd actually passed the test to become a First-Class Goddess (the highest level that every goddess tries to attain) but declines because First-Class Goddesses have to use their powers to protect everyone; Urd only wants to use her powers to protect her sisters.
Source: Knight Templar Big Brother
Cite this Source
Highest and First-class. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/first-class/highest
First-class & Highest. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/first-class/highest>.
Highest or First-class. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/first-class/highest.
