Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb buy_up
1 sense of buy up
Sense 1
take over, buy out, buy up -- (take over ownership of; of corporations and companies)
=> buy, purchase -- (obtain by purchase; acquire by means of a financial transaction; "The family purchased a new car"; "The conglomerate acquired a new company"; "She buys for the big department store")