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      essential
      noun
      A necessary ingredient.
      A fundamental ingredient.
      adjective
      Necessary.
      Very important; of high importance.
      (biology) Necessary for survival but not synthesized by the organism, thus needing to be ingested.
      Being in the basic form; showing its essence.
      Really existing; existent.
      Having the nature of essence; not physical.
      (geometry) Such that each complementary region is irreducible, the boundary of each complementary region is incompressible by disks and monogons in the complementary region, and no leaf is a sphere or a torus bounding a solid torus in the manifold.
      (medicine) Idiopathic.
      Roots
      esseess- · Latin · be
      Synonyms for essential
      indispensableadjnecessaryadjnecessitynrequisiteadjvitaladjrequirementnimportantadjfundamentaladjimperativeadjbasicadjprerequisitenrequiredadjneedfuladjquintessentialadjessencenneededadj
      Words related to essential
      crucialadjessentialnessnindispensablenessnindispensablyadvessentializevunessentialadjessentialitynindispensabilityncrucialitynpivotaladjcriticaladjnonessentialadjvitallyadvcoessentialrequisitelyadvinessentialnneedfulnessncruciallyadvimperativaldispensableadjnonbasicadjpivotallyadvinvaluableadjintegraladj

      Synonyms & related words for essential

      Find synonyms, related words, and the definition of essential — including indispensable, necessary, necessity, requisite, vital, requirement. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

      Words related to essential

      Explore words related to essential — words associated with it, words that go with it, and its nearest matches in meaning. Related words include crucial, essentialness, indispensableness, indispensably, essentialize, unessential, essentiality, indispensability. Click any word to make it the center of the map and keep exploring the web of connections.

      Synonyms for essential

      Common synonyms for essential include indispensable, necessary, necessity, requisite, vital, requirement, important, fundamental — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

      Where does essential come from?

      The word essential breaks down into one root of Latin origin: the root ess-, from Latin esse (“be”). Explore each root to see other English words built from the same source.

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