To see onions in your dream, signifies that you will be a target of jealousy, spite, and envy as a result of your success. It may also mean that there are deep layers you need to get through and discover regarding an issue or situation at hand.

To dream that you eat an onion, symbolizes that you will overcome all oppositions.

To see cooked onions, denotes minor gains in business.

To dream that you are cutting onions, signifies your defeat by your rivals.