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"
(used as an interjection) an expression of surprise or skepticism or irony etc.; "Wants to marry the butler? Indeed!"
in truth (often tends to intensify); "they said the car would break down and indeed it did"; "it is very cold indeed"; "was indeed grateful"; "indeed, the rain may still come"; "he did so do it!"
an anatomical structure used as a point of origin in locating other anatomical structures (as in surgery) or as point from which measurements can be taken
a mark showing the boundary of a piece of land
an event marking a unique or important historical change of course or one on which important developments depend; "the agreement was a watershed in the history of both nations"
the position of a prominent or well-known object in a particular landscape; "the church steeple provided a convenient landmark"
a telecommunication system that transmits images of objects (stationary or moving) between distant points
broadcasting visual images of stationary or moving objects; "she is a star of screen and video"; "Television is a medium because it is neither rare nor well done" - Ernie Kovacs
improve the condition of; "These pills will help the patient"
improve; change for the better; "New slipcovers will help the old living room furniture"
give help or assistance; be of service; "Everyone helped out during the earthquake"; "Can you help me carry this table?"; "She never helps around the house"
contribute to the furtherance of; "This money will help the development of literacy in developing countries"