90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent. The thesaurus of synonyms and related words is fully ...
Essential | Definition of Essential by Merriam-Webster
Choose the Right Synonym for essential. Adjective. essential, fundamental, vital, cardinal mean so important as to be indispensable. essential implies belonging to the very nature of a thing and therefore being incapable of removal without destroying the thing itself or its character.