Prehistoric year Synonyms

Prehistoric replaced

Definitions for Prehistoric


  • (adjective) having passed its time of use or usefulness
  • (adjective) belonging to or existing in times before recorded history
  • (adjective) of or relating to times before written history

Synonyms for phrase

PY abbreviation

PY is an abbreviation for Prehistoric Year
What does PY stand for?
PY stands for "Prehistoric Year"

Year replaced

Definitions for Year


  • (noun) the period of time that it takes for a planet (as, e.g., earth or Mars) to make a complete revolution around the sun
  • (noun) a period of time containing 365 (or 366) days
  • (noun) a period of time occupying a regular part of a calendar year that is used for some particular activity