undereducated

/AH1 N D ER0 EH1 JH AH0 K EY0 T AH0 D/
verb
  1. 1

    To give an inadequate education.

adjective
  1. 1

    Insufficiently educated.

Source: https://en.wiktionary.org/wiki/undereducate, https://en.wiktionary.org/wiki/undereducated