IPA: /ˈpriːbaɪ/
KK: /priˈbaɪ/
To purchase something before it is available for general sale.
Many customers choose to prebuy tickets for the concert to ensure they get a good seat.
Past: prebought
Past Participle: prebought
Prebuy → It is formed from "pre-" (meaning before) and "buy" (from Old English "bycgan", meaning to purchase). The word "prebuy" means to purchase something before a certain time or event.
Think of buying something "before" ("pre-") it is needed — that's what prebuy means.