Libidinousness is a word used to describe an excess of sexual desire or lust. There are many synonyms for this term that can be used to convey a similar meaning. Some possible synonyms for libidinousness might include lasciviousness, lechery, licentiousness, carnality, sensuality, and eroticism. Each of these words shares a common thread of sexual desire or passion, and can be used effectively to describe someone or something that is particularly focused on sexual pleasure and gratification. Whether you are writing a steamy novel or just looking for a more descriptive term to use in your everyday speech, these synonyms can help you to more effectively convey your message.