Libidinist is a term used to describe someone who has an excessive and uncontrolled sexual desire. However, there are other words that can be used to convey the same meaning. One such word is hedonist, which is used to describe someone who seeks pleasure and enjoyment above all else. Another term that can be used is lascivious, which indicates someone who has an inclination towards sexual thoughts or activities. Furthermore, the word lustful can also be used, which refers to someone who has a strong desire for sexual pleasure. Other similar words include lecherous, sensual, and debauched. Overall, these synonyms convey the same meaning as libidinist and can be used interchangeably.