dilate on/upon

phrasal verb

dilated on/upon; dilating on/upon; dilates on/upon
formal
: to talk about (a subject) for a long time
We spent a long evening listening to him dilate on the need for tax relief.

Dictionary Entries Near dilate on/upon

Cite this Entry

“Dilate on/upon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dilate%20on%2Fupon. Accessed 21 Dec. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!