prehistoric /prē-hi-storˈik/ or prehistorical /prē-hi-storˈi-kəl/

1. Belonging or relating to a time before extant historical records
2. Antiquated, completely out of date (informal)
3. Primitive (informal)

prēhistōˈrian noun

• penis
• penis envies
• penis envy
• penises
• penistone
• penistones
• penitence
• penitences
• penitencies
• penitency
• penitent
• penitent form
• penitent forms
• penitential
• penitential garment
• penitential garments
• penitentially
• penitential psalms
• penitentials
• penitentiaries
• penitentiary
• penitently
• penitents
• penk
• penknife