essential
/ɪˈsɛn.ʃəl/ adjective B1- Necessary.
- Very important; of high importance. · I see it as essential that there should be somewhere to park.
- Necessary for survival but not synthesized by the organism, thus needing to be ingested.
- Being in the basic form; showing its essence. · Don’t mind him being grumpy. That’s the essential Fred.
- Really existing; existent.
- 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.
- Idiopathic. · essential blepharospasm
- Having the nature of essence; not physical.
From the library
But it was essential that they should use it soon, as it might be discovered, or the bullion might be removed.
“It is sometimes essential to government to cause a man’s disappearance without leaving any traces, so that no written forms or documents may defeat their wishes.”
“With regard to our transaction, you will no doubt have observed by now that one essential detail is missing.
He said that three of them were essential, and that he must keep them.
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