Essential
Essential noun - Something necessary, indispensable, or unavoidable.
Usage example: the essentials for success include a willingness to work and the right attitude
Must is a synonym for essential in necessity topic. In some cases you can use "Must" instead the word "Essential" as a noun or an adjective, when it comes to topics like necessary, prerequisite. informal substitute
Must
Must noun - Something necessary, indispensable, or unavoidable.
Usage example: exercise is a must if you want to stay healthy
Mutual synonyms
Both words in one sentence
- To deconstruct a genre, the essential elements of the genre must be clearly demonstrated and taken to their most logical conclusions, and this causality must be plausible.
Source: Genre Deconstruction -
This is essential for some of the larger maps where you must focus on several situations at once.
Source: Videogame / Blitzkrieg - An essential part of Breaking Bad is how Walter must lie to his family, and then to himself.
Source: Snowball Lie
Cite this Source
Must and Essential. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/essential/must
Essential & Must. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/essential/must>.
Must or Essential. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/essential/must.
Google Ngram Viewer shows how "essential" and "must" have occurred on timeline