adj.
1.absolutely necessary
2.basic and fundamental
3.of the greatest importance
4.being or relating to or containing the essence of a plant etc
5.applying to essential legal principles and rules of right
6.absolutely required and not to be used up or sacrificed essential n.
1.anything indispensable
Idiom of the Day
have arrived
to reach a position of power or authority or prominence
The manager thought that she had arrived when she was given a beautiful corner office.
