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essential

1 essential ˈsɛnʃəl/ adjective
1 essential
ˈsɛnʃəl/
adjective
Britannica Dictionary definition of ESSENTIAL
[more essential; most essential]
: extremely important and necessary
often + to or for
often followed by to + verb
often + that
: very basic : fundamental

— essentially

ˈsɛnʃəli/ adverb [more essentially; most essentially]

— essentialness

ˈsɛnʃəlnəs/ noun [noncount]
2 essential ˈsɛnʃəl/ noun
plural essentials
2 essential
ˈsɛnʃəl/
noun
plural essentials
Britannica Dictionary definition of ESSENTIAL
[count]
: something that is basic or necessary : something essential usually plural