absolutely required and not to be used up or sacrificed
absolutely necessary; vitally necessary; "essential tools and materials"; "funds essential to the completion of the project"; "an indispensable worker"
being or relating to or containing the essence of a plant etc; "essential oil"
full of love and generosity; "charitable to the poor"; "a charitable trust"
showing or motivated by sympathy and understanding and generosity; "was charitable in his opinions of others"; "kindly criticism"; "a kindly act"; "sympathetic words"; "a large-hearted mentor"
relating to or characterized by charity; "a charitable foundation"
very bad in degree or extent; "a severe worldwide depression"; "the house suffered severe damage"
unsparing and uncompromising in discipline or judgment; "a parent severe to the pitch of hostility"- H.G.Wells; "a hefty six-footer with a rather severe mien"; "a strict disciplinarian"; "a Spartan upbringing"
intensely or extremely bad or unpleasant in degree or quality; "severe pain"; "a severe case of flu"; "a terrible cough"; "under wicked fire from the enemy's guns"; "a wicked cough"
moving quickly and lightly; "sleek and agile as a gymnast"; "as nimble as a deer"; "nimble fingers"; "quick of foot"; "the old dog was so spry it was halfway up the stairs before we could stop it"
quick or skillful or adept in action or thought; "an exceptionally adroit pianist"; "an adroit technician"; "his adroit replies to hecklers won him many followers"; "an adroit negotiator"
skillful (or showing skill) in adapting means to ends; "cool prudence and sensitive selfishness along with quick perception of what is possible--these distinguish an adroit politician"; "came up with a clever story"; "an ingenious press agent"; "an ingenious scheme"
marked by eagerness to resort to violence and bloodshed; "bloody-minded tyrants"; "bloodthirsty yells"; "went after the collaborators with a sanguinary fury that drenched the land with blood"-G.W.Johnson
having inner resources; adroit or imaginative; "someone who is resourceful is capable of dealing with difficult situations"; "an able and resourceful politician"; "the most resourceful cook in town"