Complete
Complete adjective - Not lacking any part or member that properly belongs to it.
First-class and complete are semantically related. In some cases you can use "First-class" instead an adjective "Complete".
First-class
First-class adjective - Of the very best kind.
Complete and first-class are semantically related. Sometimes you can use "Complete" instead an adjective phrase "First-class".
Mutual synonyms
Both words in one sentence
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No Sense of Humor: Nick's complete and utter devotion to his job has made him a first-class police officer, but it's also rendered him completely humourless, pedantic, and uptight.
Source: Film / Hot Fuzz - Note that these guys are all volunteers: some have enrolled because their worlds have been culturally assimilated and they're patriots, while others want the first-class citizenship that comes for them and their families once they complete the term (or honorably die trying).
Source: Battle Thralls
Cite this Source
First-class and Complete. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/complete/first-class
Complete & First-class. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/complete/first-class>.
First-class or Complete. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/complete/first-class.