Positive meaning
A toxic smell in a dream may symbolize purification and getting rid of negative emotions. You may be trying to free yourself from something that hinders your progress, and this dream suggests that you are on the right path. You feel that new opportunities and perspectives are opening up for you.
Negative meaning
A toxic smell in a dream may indicate the presence of hidden problems in your life that weigh you down. This dream could be a warning against toxic relationships or situations that harm you. You might feel overwhelmed and helpless, which could lead to feelings of anxiety.
Neutral meaning
A toxic smell in a dream may reflect your feelings or situations you are currently dealing with. This dream may suggest that you are trying to identify and analyze something that bothers you, without it having an immediate positive or negative impact on your life.