Wiktionary
schoolteacherish
a. Resembling a stereotypical schoolteacher in some way; pedantic, patronising, etc.
Usage examples of "schoolteacherish".
There he was, sitting in a shady corner with an elderly couple and two schoolteacherish women.
Carol, once more looking and sounding unbalanced, had suddenly adopted an incongruous, schoolteacherish refrain and manner.
Dasha read it hesitatingly, glancing at me over her spectacles with a schoolteacherish expression.
The sicker she gets, the more driedout and schoolteacherish she looks.