expound
verb C2
Plain meaning
to explain an idea in detail
Exam-register meaning
to present and develop a theory, argument, or principle systematically
In context
naturalHe loves to expound on the history of old Hyderabad streets.
examThe writer expounds the view that technological progress must be accompanied by ethical regulation.
Common collocations
expound a theoryexpound a viewexpound on an idea
Watch out
Use expound on/about a topic, or expound a theory. Do not say “expound about it” in formal writing if a direct object is clearer.
Word family
exposition (noun)expository (adjective)