Necessary, essential for life or some process.
Elementary, simple, fundamental, merely functional.
Of or pertaining to a base; having a pH greater than 7.
Unremarkable or uninteresting; boring; uncool.
An elementary building block, e.g. a fundamental piece of knowledge.
A necessary commodity, a staple requirement.
Basic training.
Of greatest importance; primary.
Being the first in time or in history.
Being one of the pieces of meat initially separated from the carcass during butchering, prior to division into smaller cuts.
A primal cut (of meat).
To take part in primal therapy.