performing an essential function in the living body; "vital organs"; "blood and other vital fluids"; "the loss of vital heat in shock"; "a vital spot"; "life-giving love and praise"生体で不可欠な機能を行う重要
例:blood and other vital fluids 血液とその他の必要な流体
urgently needed; absolutely necessary; "a critical element of the plan"; "critical medical supplies"; "vital for a healthy society"; "of vital interest"至急必要とされるさま重要
例:of vital interest 重大利益について
full of spirit; "a dynamic full of life woman"; "a vital and charismatic leader"; "this whole lively world"気迫がある躍然たる