A bad conscience is a feeling of GUILT or SHAME that one experiences when they have done something wrong. The crossword solutions for the term 'bad conscience' are 'SHAME' and 'GUILT', both of which are five-letter words. SHAME is an emotion that is felt when one has done something wrong or embarrassing, while GUILT is a feeling of responsibility for a wrongdoing. Both of these emotions can be associated with a bad conscience.