Most important
Solid and most important are semantically related. in eminent topic. In some cases you can use "Solid" instead an adjective phrase "Most important".
Solid
Solid adjective - Based on sound reasoning or information.
Most important and solid are semantically related. Sometimes you can replace phrase "Most important" with "Solid", this terms are similar.
Both terms in one sentence
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Solid Snake doesn't just find the box relaxing, to him, it's the most important thing he has on him.
Source: Video Game / Metal Gear -
Metal Gear Solid V: The Phantom Pain: The language barrier is one of the most important elements of the game.
Source: Language Barrier
Cite this Source
Solid and Most important. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/most_important/solid
Most important & Solid. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/most_important/solid>.
Solid or Most important. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/most_important/solid.
Google Ngram Viewer shows how "most important" and "solid" have occurred on timeline