Erectile dysfunction is a term used to describe a condition in which a man struggles with maintaining or achieving an erection during sexual activity. In addition to the commonly used term, there are several other synonyms for erectile dysfunction, including impotence, ED, male sexual dysfunction, and sexual inadequacy. While these terms may not be as commonly used as erectile dysfunction, they all describe the same condition, and can be used interchangeably. It is important for men who experience erectile dysfunction to seek medical advice from a healthcare professional, as there may be underlying medical conditions that need to be diagnosed and treated.