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urgently needed; absolutely necessary;
"a critical element of the plan"
"critical medical supplies"
"vital for a healthy society"
"of vital interest"
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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"
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full of spirit;
"a dynamic full of life woman"
"a vital and charismatic leader"
"this whole lively world"
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manifesting or characteristic of life;
"a vital, living organism"
"vital signs"