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sell (EN)
verb, noun

verb “sell”

infinitive sell; he sells; past tense sold; past part. sold; ger. selling
  1. to exchange goods or services for money
    She sold her old car very quickly at a good price.
  2. (with an adverb) to be bought (in the way mentioned) by customers
    This new smartphone is selling rapidly in stores.
  3. to persuade someone to accept an idea or plan
    He worked hard to sell the project proposal to the board.
  4. to betray someone for personal gain
    He sold his fellow soldiers to the enemy.

noun “sell”

singular sell, plural sells
  1. an attempt to persuade someone to accept something
    Getting everyone to agree to the new schedule was a tough sell.