didactic

 
Pronunciation: /dɪˈdaktɪk, dʌɪ-/

adjective

  • intended to teach, particularly in having moral instruction as an ulterior motive: a didactic novel that set out to expose social injustice
  • in the manner of a teacher, particularly so as to appear patronizing: his tone ranged from didactic to backslapping

Derivatives

didactically

adverb

didacticism

Pronunciation: /-tɪsɪz(ə)m/
noun

Origin:

mid 17th century: from Greek didaktikos, from didaskein 'teach'