sell-off noun 1sell off verb 1forms 4 noun1 •The large-scale selling of goods or financial assets (e.g., real estate, equipment, stocks, bonds, subsidiaries). sell off verb1 •To sell assets for the purpose of disposing of them quickly rather than for maximizing profit.When Cyril goes searching for his deadbeat father, he’s also looking for his bike, and he’s devastated to discover his dad sold it off to make ends meet. — 2012 formssold off · selling off · sells off · sell-offs