dryasdust
/ˌdrīəzˈdəst
/noun
A boring, pedantic speaker or writer.He would not be a dryasdust....
- The whole work, far from being dryasdust scholarship, is a rattling good yarn.
adjective (also dry-as-dust)
Dull and boring.
Origin
Late 19th century: from the name of the character Dr. Jonas Dryasdust, featured in prefaces to Sir Walter Scott's novels.