soapsuds n the froth produced by soaps or detergents Usage(s) Wearing a knit jumpsuit, she had to dance around a smashed TV set as the room filled with soapsuds. He had the same shiny bald head, the beard that looks as if it had been doused in foamy soapsuds, the same sad mastiff eyes. Critics called the resulting painting "a mass of soapsuds and whitewash. Synonym(s) suds lather