Functional
Functional adjective - Being in effective operation.
Proper and functional are semantically related. In some cases you can use "Proper" instead an adjective "Functional".
Proper
Proper adjective - Following the established traditions of refined society and good taste.
Functional and proper are semantically related. Sometimes you can use "Functional" instead an adjective "Proper".
Mutual synonyms
Both words in one sentence
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Token Good Teammate: Virgil is the only artificial intelligence in Aperture Science who's both completely functional and helpful, either in the mod or the game proper.
Source: Videogame / Portal Stories: Mel -
Functional Magic: A form of Theurgy, as the spirits of the world grant magic to those who make the proper pacts.
Source: Manga / Bokura no Kiseki -
Functional Genre Savvy: Several characters, particularly Lír, who makes a much-quoted speech about the proper order of things during the climax of the story.
Source: Literature / The Last Unicorn
Cite this Source
Proper and Functional. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/functional/proper
Functional & Proper. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/functional/proper>.
Proper or Functional. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/functional/proper.
Google Ngram Viewer shows how "functional" and "proper" have occurred on timeline