Also found in: Idioms.
dry·as·dustor dry-as-dust (drī′əz-dŭst′)
A dull, pedantic speaker or writer.
[After Dr. Jonas Dryasdust, a fictitious character to whom Sir Walter Scott dedicated some of his novels.]
completely lacking in interest and stimulation
[1870–75; after Dr. Dryasdust, a fictitious pedant satirized in the prefaces of Sir Walter Scott's novels]