Sexual arousal refers to the physical and emotional response of an individual towards sexual stimulation. There are many synonyms for this term, including lust, desire, excitement, passion, and stimulation. Other terms that are used interchangeably for sexual arousal are sensuality, eroticism, and libido. The intensity of sexual arousal can also be described with terms like horniness, lustfulness, or steaminess. In a more formal context, sexual arousal can be referred to as sexual stimulation or sexual response. The synonyms for sexual arousal vary in their connotations, with some being more explicit or suggestive than others, but all describe the complex physical and emotional process of sexual attraction and desire.