Important
Main
Main adjective - Coming before all others in importance.
Usage example: this is the main point of the study—everything else is secondary
Mutual synonyms
Both words in one sentence
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In a bittersweet turn, the other page has another group picture of three main/important characters who lost their life.
Source: Group Picture Ending - Season 3 did a similar thing, but listing only main and important characters (Mane 6, Spike, Princesses, Shining Armor, Discord, Big Mac, Apple Bloom, Sweetie Belle and Granny Smith - before you ask no, Scootaloo's voice was never credited on screen).
Source: Now Which One Was That Voice? - John Terrafino for example, went from being a minor character (GONE), a recurring character (HUNGER), a important/main character (LIES), a character who is eternally on mute and is only mentioned once in a cross refrence (PLAGUE) and then isn't present at all (FEAR).
Source: Demoted To Extra / Literature
Cite this Source
Main and Important. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/important/main
Important & Main. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/important/main>.
Main or Important. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/important/main.
Google Ngram Viewer shows how "important" and "main" have occurred on timeline