sell (someone) on
verb
sold (someone) on; selling (someone) on; sells (someone) on
: to persuade (someone) to be interested in and excited about (something)
He tried to sell them on the project.
—often used as (be) sold onShe wasn't sold on the idea.
Cite this Entry
“Sell (someone) on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sell%20%28someone%29%20on. Accessed 9 Mar. 2026.
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Merriam-Webster unabridged
