noun |
adj |
verb |
adv |
(adj) aboriginal, primaeval, primeval, primordial
having existed from the beginning; in an earliest or original stage or state
aboriginal forests; primal eras before the appearance of life on earth; the forest primeval; primordial matter; primordial forms of life
(adj) cardinal, central, key, fundamental
serving as an essential component
a cardinal rule; the central cause of the problem; an example that was fundamental to the argument; computers are fundamental to modern industrial structure