Adjective: vital vI-t(u)l
- Urgently needed; absolutely necessary
"vital for a healthy society"; "of vital interest";
- critical
- Manifesting or characteristic of life
"a vital, living organism"; "vital signs"
- Performing an essential function in the living body
"blood and other vital fluids"; "the loss of vital heat in shock"; "a vital spot"; "vital organs";
- life-sustaining
- Full of life and energy
"a vital and charismatic leader";
- lively, full of life
See also: alert, alive, animated, bouncing, bouncy, breezy, bright-eyed [informal], bright-eyed and bushy-tailed [informal], bubbling, bubbly, burbling, burbly, effervescent, effusive, energetic, essential, frothy, full of beans [informal], gushing, indispensable, life, live, liveliness, peppy [N. Amer, informal], rested, scintillating, sparkly, spirit, spirited, sprightliness, swinging, warm, watchful, zippy [informal]
Encyclopedia: Vital, Samuel