He has a rather penetrating but very kindly glance and wears spectacles, and also has an unassuming undidactic way of talking which appealed to me very much...
Source: wiktionary
Undidactic
Synonyms for "undidactic"
Ranked by relevance and common usage.
Sample sentences
2 total sentences available.
He brought them exciting undidactic picture books from London.
Source: wiktionary