Functional
Functional adjective - Being in effective operation.
Significant and functional are semantically related. In some cases you can use "Significant" instead an adjective "Functional".
Significant
Significant adjective - Clearly conveying a special meaning (as one's mood).
Functional and significant are semantically related. Sometimes you can use "Functional" instead an adjective "Significant".
Both words in one sentence
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Dante gets one of these in Devil May Cry 1, though its fall-off isn't significant enough to differentiate it from a rocket launcher (which becomes its functional replacement in later games).
Source: Grenade Launcher -
Further, they often are found heavily, heavily damaged and require significant work to make them functional enough to get the recordings out of.
Source: Made of Indestructium - A significant amount of effort was devoted to finding old Star League factories, warehouses, and memory cores, which could contain functional war machines that could stomp anything still functioning in 3025.
Source: Apocalyptic Logistics
Cite this Source
Significant and Functional. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/functional/significant
Functional & Significant. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/functional/significant>.
Significant or Functional. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/functional/significant.
Google Ngram Viewer shows how "functional" and "significant" have occurred on timeline