Adequate
Working
Working adjective - Being in effective operation.
Adequate and working are semantically related in sufficient topic. Sometimes you can use "Adequate" instead an adjective "Working".
Mutual synonyms
Both words in one sentence
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In Real Life, the X-33 project never produced a working prototype, but even if it had done so, the X-33 was unmanned, too small to accommodate any payload at all, let-alone adequate life-support, and was built not by Boeing, but by their arch-rival Lockheed-Martin.
Source: Just Plane Wrong
Cite this Source
Working and Adequate. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/adequate/working
Adequate & Working. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/adequate/working>.
Working or Adequate. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/adequate/working.
Google Ngram Viewer shows how "adequate" and "working" have occurred on timeline