expand on/upon

phrasal verb

expanded on/upon; expanding on/upon; expands on/upon

: to speak or write about (something) in a more complete or detailed way : elaborate on

She declined to expand on her earlier statement.

Please expand on that idea.

Researchers will expand upon their data in a new study.

Examples of expand on/upon in a Sentence

Recent Examples on the Web

The film will expand on the game’s world and mythology and delve deeper into the lore of the demonic entities plaguing River Fields. —Matt Grobar, Deadline, 25 July 2025

Mipcom will also expand on the launch of the innovation lab last year, with a theatre, networking and demo space in the Palais des Festivals, along with panels covering AI, FAST, streaming and connected TV. —Elsa Keslassy, Variety, 17 July 2025

Chop Robinson can expand on his six-sack rookie season after coming on strong in the second half. —David Furones, Sun Sentinel, 10 July 2025

The Rubin Observatory will expand upon these previous galactic surveys, increasing the precision of the data and capturing billions more galaxies. —Samantha Thompson, Space.com, 7 July 2025