| posp. |
critically important (Sergei Aprelikov); essential (1) absolutely necessary; extremely important: [with infinitive]: it is essential to keep up-to-date records | fibre is an essential ingredient of our diet ¦ [attrib.] fundamental or central to the nature of something or someone: the essential weakness of the plaintiff's case 2) (of an amino acid or fatty acid) required for normal growth but not synthesized in the body and therefore necessary in the diet 3) Medicine (of a disease) with no known external stimulus or cause; idiopathic: essential hypertension. NOED Alexander Demidov); crucial (Mr. Wolf); vital (alikssepia); being of critical importance (ABelonogov) |
