Dreaming of onions is warning sign as per dream interpretation and meaning. The dream means you will get into something and realize it was a mistake. You will be deceived by the outer appearance. It also means lifestyle change and you will be forced to rethink many of your past decisions. Dreams of onions also mean you will not be ready to accept certain decisions of the family even though you know they are good for your future.
Dream of you peeling onions means tough work. You will be given additional responsibilities. It also means doing things that you always disliked.
Dreaming of onions and you see other people in the dream mean you will need to take help of other people suddenly. It means sudden problems in family like accident or health issues.
Dreams of onions and you see lots of it scattered or flying around means disruption of your current life. It also means you will face unexpected trouble due to sudden change of weather. It also means you will need to change your plans last minute.