vital
adjective
1. urgently needed; absolutely necessary
- vital for a healthy society
- of vital interest
Similar word(s): indispensable, critical
2. performing an essential function in the living body
- vital organs
- blood and other vital fluids
- the loss of vital heat in shock
Similar word(s): essential
3. full of spirit; full of life
- a vital and charismatic leader
Similar word(s): alive, animated, lively
4. manifesting or characteristic of life
- a vital, living organism
- vital signs
Sentences with vital as an adjective:
- vital energies; vital functions; vital actions
- The brain is a vital organ.
- The transition to farming was vital for the creation of civilisation.
- Birth, marriage and death certificates are vital records.
- It is vital that you don't forget to do your homework.