Definition of primordial adjective from the Oxford Advanced Learner's Dictionary primordial adjective /praɪˈmɔːdiəl/ /praɪˈmɔːrdiəl/ [usually before noun] (formal) existing at or from the beginning of the world synonym primeval

adjective constituting a beginning; giving origin to something derived or developed; original; elementary: primordial forms of life. Embryology. first formed. pertaining to or existing at or from the very beginning: primordial matter.

pri·mor·di·al (prī-môr′dē-əl) adj. 1. Being or happening first in sequence of time; original. 2. Primary or fundamental: play a primordial role.

primordial adjective formal us / praɪˈmɔːr.di.əl / uk / praɪˈmɔː.di.əl / Add to word list existing at or since the beginning of the world or the universe: The planet Jupiter contains large amounts of the primordial gas and dust out of which the solar system was formed. basic and connected with an early stage of development

Adjective [ edit] primordial (not comparable) first, earliest or original (biology) characteristic of the earliest stage of the development of an organism, or relating to a primordium a primordial leaf; a primordial cell