Functional
Rusty
Rusty adjective - Having passed its time of use or usefulness.
Usage example: rusty laws still on the books because no one bothered to repeal them
Functional is an antonym for rusty.
Both words in one sentence
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Ye Olde Nuclear Silo: One of the game adventures includes a rusty, radioactive old missile silo with an aged yet still-functional ballistic missile.
Source: Tabletop Game / Paranoia
Cite this Source
Rusty and Functional. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/functional/rusty
Functional & Rusty. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/functional/rusty>.
Rusty or Functional. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/functional/rusty.
Google Ngram Viewer shows how "functional" and "rusty" have occurred on timeline