Thesaurus
2 ENTRIES FOUND:

essential

adjective

Synonyms and Antonyms of ESSENTIAL

2
of or relating to the simplest facts or theories of a subject <anyone with an essential knowledge of human biology can follow the documentary>
Antonyms advanced

April 27, 2015
savvy Hear it
to understand
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears