Dream about trying to vomit is a warning alert for your sensuality and indulgence. Someone that you are interested in may not feel the same way about you. You need to be more cautious of people who claim to be something that they are not. The dream refers to repressed disappointments which has accumulated over a period of time. You need to redirect your energies toward a more productive endeavor.
Trying to vomit dream hints suppressed emotions that are on the verge of spilling over into your conscious and creating a negative influence in your daily life. Some problem is giving you much stress and worry. You need to do your research and do not rush into making choices. Your dream signifies a problem or situation that you have overlooked or refuse to address. The rough times are temporary and you will come out of it stronger and happier.
If you dreamt about trying to vomit:
It could be that you now decide to make a deeper commitment to each other, and so strengthen the bond between you by making plans to make your future together more assured. You may feel like celebrating your decision.