DictionarydescantExtended commentary
noun / verb

descant

Discussion or commentary at length.

His brief answer grows into a descant on local politics.

Etymology

Latin dis- and cantus connect descant with a separate musical part. Elaborating in song supplied the figurative idea of expanding on a subject in extended discussion or commentary.

More examples

  • She descants on gardening while we pull weeds.
  • The essay ends with a descant on the value of solitude.
  • Over dinner, he descanted on the failures of city government.

Forms

descant · descants · descanted · descanting

Similar words

discourse
Emphasizes sustained, organized discussion rather than freely extended commentary.
expound
Means explaining a subject fully, often more systematically.
comment
Does not necessarily imply speaking or writing at length.