Immature old Synonyms

Immature replaced

Definitions for Immature


  • (adjective) being in the early stage of life, growth, or development
  • (adjective) having or showing the annoying qualities (as silliness) associated with children
  • (adjective) lacking in adult experience or maturity

Synonyms for phrase

IO abbreviation

IO is an abbreviation for Immature Old
What does IO stand for?
IO stands for "Immature Old"

Old replaced

Definitions for Old


  • (adjective) being of advanced years and especially past middle age
  • (adjective) dating or surviving from the distant past
  • (adjective) having been such at some previous time