Cussing is a term used to describe a range of behaviors that are considered inappropriate or offensive. The 8-letter solution, 'SWEARING, ' refers to the use of profane language, while the 7-letter solution, 'CURSING, ' is a more general term for using offensive language. The 11-letter solution, 'IRREVERENCE, ' refers to a lack of respect or reverence for something or someone. The 9-letter solutions, 'BLASPHEMY' and 'PROFANITY, ' both refer to the use of language that is considered sacrilegious or offensive.