Seeing a dirty undershirt in a dream is interpreted as a mistake to obtain more income and goods, bread and money will also increase, you will try to get by with what you have, you will gain great and important opportunities to advance yourself in your profession and be more successful, thus you will achieve happiness and success, you will borrow from an unloved person, you will regain your respect among people.
Also seeing a dirty undershirt in a dream indicates that all the positive things that the person has structured will be overshadowed, if he is doing business he will suffer, he will try to get rid of his troubles thanks to some opportunities he has, he will argue with his family members for no reason, he will suffer poverty in wealth, ties will be severed with a person who will bring harm.
Psychologically seeing a dirty undershirt in a dream indicates that he will consult his elders and experienced people before making a decision on business-related issues, things will be delayed due to bad news he will receive. It indicates that things will go wrong, that you will take big steps in your work life in the near future, that you will experience great joys and happiness, that the problems will be solved one by one, that you will find the dream house, that you will get sick, but that you will gain great motivation spiritually.