draw·back 
/ˈdrɑ:ˌbæk/ noun
plural draw·backs /ˈdrɑ:ˌbæk/ noun [count] : something that causes problems : disadvantage
▪ The only drawback [=downside] to the plan is that we don't have the time it requires. ▪ The trip sounds great, but cost is a major drawback.
▪ The only drawback [=downside] to the plan is that we don't have the time it requires. ▪ The trip sounds great, but cost is a major drawback.
