1. Having existed from the beginning; in an earliest or original stage or state
   - aboriginal, primal, primeval, primordial

See also: early

Encyclopedia: Primaeval

• family Ptilonorhynchidae
• family Pucciniaceae
• family Pulicidae
• family Punicaceae
• family Pygopodidae
• family Pyralidae
• family Pyralididae
• family Pyrolaceae
• family Pyrrhocoridae
• family Pythiaceae
• family Pythonidae
• family Rachycentridae
• family Rafflesiaceae
• family Rajidae
• family Rallidae
• overturn
• overturned
• overuse
• overutilisation
• overutilization
• overvaliant
• overvaluation
• overvalue
• overview
• overweary