In Nude Woman on Her Side, the viewer is greeted by a soft palette of muted colors, primarily featuring warm tones. The figure of the woman reclines gracefully, her body positioned in a relaxed manner that emphasizes the curves of her form. The background is subtly rendered, allowing the figure to take center stage without distraction.

Dewing's use of light creates a gentle atmosphere that enhances the intimacy of the scene. The painting is executed in oil on canvas, a medium that allows for rich texture and depth. Dewing's brushwork is delicate, with soft edges that blend seamlessly into one another. The composition is balanced, drawing the eye to the figure while maintaining a harmonious relationship with the background.

The approximate dimensions of the work are 90 x 120 cm, making it a substantial piece that invites close viewing. Thomas Wilmer Dewing was an American painter associated with the Symbolist movement, known for his focus on female figures and themes of beauty. Nude Woman on Her Side exemplifies his interest in the female form and the exploration of sensuality. An interesting fact about this work is that it reflects Dewing's admiration for the Pre-Raphaelite artists, who also celebrated the beauty of women in their art.

This painting, like many of his works, emphasizes a dreamlike quality that invites contemplation.