Definition of Dramatic Irony
There's some dramatic irony to the fact that Richard decides to give Clarissa flowers as a way of expressing his love. What he doesn't know is that Clarissa has already bought flowers herself, but readers do know this. In fact, the very first line of the novel announces Clarissa's intention to buy flowers: "Mrs Dalloway said she would buy the flowers herself." As such, the entire time Richard is walking home and proudly thinking about the grand statement he's making by bringing Clarissa flowers, readers know his gesture won't be all that meaningful. In this way, the narrative subtly pokes fun at him as he excitedly prepares to present the flowers to his wife:
But he wanted to come in holding something. Flowers? Yes, flowers, since he did not trust his taste in gold; [...].
Richard brings Clarissa flowers and plans to express his love for her. But when he sees her, he finds himself unable to do so, and Clarissa ends up thinking about how emotionally distant people—including spouses—can be from one another. Richard’s attempt to make a romantic connection with his wife thus only ends up making her feel less connected to him, leading to a perfect example of situational irony. Richard intended to make a gesture that brought him and his wife closer, but the gesture itself ends up making Clarissa feel like there is a "gulf" between them. As he leaves, she thinks:
Unlock with LitCharts A+And there is a dignity in people; a solitude; even between husband and wife a gulf; and that one must respect, thought Clarissa, watching him open the door; [...].