is similar to
of primary importance
is similar to
essential for maintaining the fundamental life processes
"sleep and food and water are among the biogenic needs of the organism"
is similar to
constitutional in the structure of something (especially your physical makeup)
is similar to
highly recommended
"a book that is must reading"
is similar to
characterized by the absence of inessential features
"he got a no-frills introduction to the job"
is similar to
necessary or important, especially regarding food or commodities
"wheat is a staple crop"
is similar to
having a firm basis in reality and being therefore important, meaningful, or considerable
"substantial equivalents"
is similar to
existing in essence or effect though not in actual fact
"a virtual dependence on charity"; "a virtual revolution"; "virtual reality"
is similar to
performing an essential function in the living body
"vital organs"; "blood and other vital fluids"; "the loss of vital heat in shock"; "a vital spot"; "life-giving love and praise"
see also
of extreme importance; vital to the resolution of a crisis
"a crucial moment in his career"; "a crucial election"; "a crucial issue for women"
see also
not to be dispensed with; essential
"foods indispensable to good nutrition"
see also
not suitable to be expended
see also
of great significance or value
"important people"; "the important questions of the day"
see also
belonging to a thing by its very nature
"form was treated as something intrinsic, as the very essence of the thing"- John Dewey
see also
absolutely essential
see also
of first rank or importance or value; direct and immediate rather than secondary
"primary goals"; "a primary effect"; "primary sources"; "a primary interest"
is an attribute of
basic importance