Extra
Extra adjective - Being over what is needed.
Functional and extra are semantically related. In some cases you can use "Functional" instead an adjective "Extra".
Functional
Functional adjective - Being in effective operation.
Extra and functional are semantically related. Sometimes you can use "Extra" instead an adjective "Functional".
Both words in one sentence
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Extra credit: the site navigation buttons are part of it, the "end" button is shattered, and the "back" and "beginning" buttons were functional.
Source: Infinite Canvas - The only functional difference between That's So Raven and iCarly is that iCarly doesn't use an entire extra hallway off to the right of where the new double door entrance is on iCarly.
Source: Recycled Set - Extra fail points if the writer ignores the necessary secondary powers needed for the Functional Magic to actually be functional, such as Photographic Memory for Voluntary Shapeshifting etc.
Source: Magic Genetics
Cite this Source
Functional and Extra. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/extra/functional
Extra & Functional. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/extra/functional>.
Functional or Extra. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/extra/functional.
Google Ngram Viewer shows how "extra" and "functional" have occurred on timeline