verb
- spoke or wrote about something at great length or in elaborate detail
Usage: past tense of expatiate; formal
Examples
- The professor expatiated on the causes of the Civil War for nearly an hour.
- She expatiated upon her travels through Europe in great detail.
- The author expatiated on the theme of redemption throughout the novel.
- He expatiated at length about his theories on climate change.
- The speaker expatiated on the importance of education reform.
- During the interview, she expatiated on her qualifications and experience.