IPA: /ˈdrɔːbæk/
KK: /ˈdrɔˌbæk/
A disadvantage or a negative aspect of something that makes it less appealing or effective.
The main drawback of this plan is its high cost.
Drawback → It is formed from "draw" (from Old English "dragan", meaning to pull or drag) and "back" (meaning in the reverse direction). The word "drawback" refers to a disadvantage or something that pulls back from a positive aspect.
Think of something that 'pulls back' ('draw') from a positive situation — that's why a drawback is a disadvantage.