Crucial
Crucial adjective - Of the greatest possible importance.
Extremely useful and crucial are semantically related. In some cases you can use "Extremely useful" instead an adjective "Crucial".
Nearby Word: crucially
Extremely useful
Crucial and extremely useful are semantically related. You can use "Crucial" instead an adjective phrase "Extremely useful".
Mutual synonyms
Both terms in one sentence
-
These proved extremely useful against enemy cavalry, and were an early attempt to provide the crucial combination of firepower and mobility that the Soviet Union would come to rely upon in later years, giving the RKKA the ability to cover about 100km per day, which was fast for the late 1910s.
Cite this Source
Extremely useful and Crucial. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/crucial/extremely_useful
Crucial & Extremely useful. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/crucial/extremely_useful>.
Extremely useful or Crucial. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/crucial/extremely_useful.
Google Ngram Viewer shows how "crucial" and "extremely useful" have occurred on timeline