Synonyms:
aboriginal, primal, primeval, primaeval, primordial
Meaning: 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"
Synonyms:
cardinal, central, fundamental, key, primal
Meaning: 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"
Usage examples
My foot-gear was of walrus hide, cunningly blended with seal gut. The remainder of my dress was as primal and uncouth.
The duplicate set of worsted balls of the seven primal colors can be increased to include easily distinguishable shades.
"The Dunwood House set has its points." For Rickie suffered from the Primal Curse, which is not--as the Authorized Version suggests--the knowledge of good and evil, but the knowledge of good-and-evil.