upsell - definition and synonyms

verb [intransitive/transitive] business 

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/ˈʌpsel/
present tense
I/you/we/theyupsell
he/she/itupsells
present participleupselling
past tenseupsold
past participleupsold
  1. to persuade a customer to buy more of a product or a more expensive product than they had intended

derived word

upselling

noun [uncountable]