English edit

Etymology edit

over- +‎ function

Verb edit

overfunction (third-person singular simple present overfunctions, present participle overfunctioning, simple past and past participle overfunctioned)

  1. (intransitive) To function excessively.
  2. (intransitive, psychology) To take responsibility for other people's actions.

Noun edit

overfunction (uncountable)

  1. Function beyond what is needed or desired.
    the overfunction of the pituitary gland