Wiktionary
a. prehistoric
WordNet
adj. belonging to or existing in times before recorded history; "prehistoric settlements"; "prehistoric peoples" [syn: prehistoric]
Usage examples of "prehistorical".
The cave dwellings of the Anasazi, the prehistorical hive dwellings of slope-browed pre-men, the filing cabinets for gothamites gone eternally condo .
During the longest part of human history - so-called prehistorical times - the value or disvalue of an action was derived from its consequences.
The relationship is reciprocal: statism rises out of prehistorical tribal warfare, out of the notion that the men of one tribe are the natural prey for the men of another—and establishes its own internal subcategories of racism, a system of castes determined by a man’s birth, such as inherited titles of nobility or inherited serfdom.