godan verb (-ru), transitive verb
buy up; buy everything available
Used when someone purchases all of a limited stock, leaving none for others. Often implies a large quantity or clearing out inventory.
新作のゲームを買い切ってしまった。
I bought up all the copies of the new game.
彼は店にある古いレコードを全部
He bought up every old record in the store.
godan verb (-ru), transitive verb
hire for exclusive use; reserve; charter
Used for reserving a facility, vehicle, or service entirely for one's own group. Similar to 借り切る (かりきる), but 買い切る emphasizes paying for exclusive use rather than just renting.
See also: 借り切る (かりきる)
温泉旅館を一棟買い切って、家族だけで過ごした。
We reserved an entire hot-spring inn and spent time with just the family.
ツアー会社が飛行機の座席を買い切っている。
The tour company has chartered all the seats on the plane.